How to Hack Symbian S60 phones to install unsigned applications

If you have a Nokia Symbian S60 phone, you probably know that it is not possible to install applications on this, unless they are signed by using a valid certificate. Have you try to install applications on your S60 3rd or 5th Edition phone but finally getting a certificate error? Sometimes, this can be really annoying. but here's a clever solution to this problem!

Here in this post, I will show you how to hack your Symbian S60 3rd and 5th Edition smartphones, to modify the phone's firmware and bypass completely mandatory signature requirement. So, when you're done with this once hack, you should be able to install any application compatible with including the unsigned and those with a certificate that has expired.

 

What is the need for signed applications?

From the 3rd Edition, Symbian S60 all applications must be signed in order to ensure their integrity, so that it would not be possible for a third party to compromise the application. Also, the signature ensures that you always install applications from a trusted source.

However, there are many free software and applications beta coming unsigned as developers cannot afford to purchase a symbian certificate. Therefore, it can be a real nightmare for users who need to install these applications for phones. So, here is a step-by-step process to hack your phone, and finally, to turn off this security feature.

 

1. Download HelloOX2 v 1.0 or the latest version from the website Ofiicial HelloOX2.

HelloOX2 is an excellent tool to hack Symbian S60 3rd, 5th and Symbian ^ 3 Smartphone which makes it possible to install a root certificate, gaining full access to the files system of the phone. With this feature, you can install what you want for your phones without having to worry about annoying certificate error!

2. the signed version of HelloOX2 requests for a gift and therefore only the non-signed version is available for free download. So, if you have version without signature, you must sign it before installing on your phone. In order to sign any application, you must have the certificate and key file, which may be obtained as follows:

• Go to the website, register and connect OPDA in your account.
• Click "Apply" certificate, enter the model number and the IMEI of your phone, and then click submit and send.
• Usually, it will take up to 24 hours for the certificate and key file must be generated and sent. To check the status of your certificate click on the tab "my Certificate". If the certificate is ready for the download you will see something like this:

 

 

 

 

• Download the certificate and key file to your computer. Also download SisSigner tool to sign your application HelloOX2.
• Open the SisSigner, the upload HelloOX2 c.SIS, certificate and key file, as shown below and click the "Sign". Leave the field "Key file password".

 

 

 

 

 

 

 

 

• Your request is signed and now HelloOX2 is ready for installation.

3. to install the signed application HelloOX2 on your phone and run to start the hacking process is entirely automatic. Within a minute, it will be hacked phone. Once this is done, say good-bye to the annoying certificate error and install any application.

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Leakage of private information websites popular is common, new study finds

ScienceDaily (June 2, 2011) research of more than 100 popular Web sites used by tens of millions of people find three districts directly to leak information or unique identifiers for users and third-party sites. The study, the parser by Craig wills, a Professor of computer science at Worcester Federal Institute (WPI), demonstrated how handles leak private information by many sites, including e-mail, physical address, even a user's Web browser-the browser fingerprint "--could allow tracking sites to link to many different pieces of information, including the browsing histories included tracking cookies and the content of the site and take health searchesTo create a detailed profile of the people.

The study, presented last week at the Web 2.0 security and privacy in Auckland, Calif., summed up the efforts made so far to stop this leak of personal information from online Web sites, social networking packages including suggestions made in the report, the Federal Trade Commission (FTC) 2010 protect consumer privacy, that the largely ineffective in preventing leakage is detected and connectivity. They claimed that websites should take more responsibility for privacy protection.

"Despite some suggestions wills and reports upon by researchers, government agencies, and private firms, the issue of privacy has worsened significantly," he said. "With the growing disconnect between existing privacy safeguards, suggested a growing discussion, worries more and more personal information from all Web sites, we believe that the time beyond the clearly what is the battle with third-party aggregators, and what roles first-party sites, you can play in protecting the privacy of their users."

The researchers, who brought in the past that the leak of personal information from many popular social networks, decided to investigate the handling of private information by standard Web sites, in an area where there were mainly vshashorsh, Wales. They encourage users to sites focused on, since users often share personal information, including their names, personal, physical address, an e-mail during the registration process. They also examined health popular tourist attractions, since users conduct searches these sites, point to problems with their health or expose their travel programs.

They found that the leaked information through multiple routes to a third party to track users ' browsing behavior for advertisers. In some cases, the information was passed to the purposely third-party sites. In other cases, it was included, intentionally or accidentally, as part of an ongoing exchange of information with those sites. According to the leakage occurred when people were creating, viewing, editing, or register their accounts, or when navigating Web sites. They are also sensitive search terms (such as pancreatic cancer) have been leaked by the health and for sites to be leaked by sites.

The researchers examined the types of information to be leaked by websites and rate them according to their sensitivity and the ability to identify users. The user name, phone number or email address, and the highest rated on identifiability, for example, when planning tours and information of the highest rated on a scale sensitivity. While most of the information leaked rated low in both scales, the authors said it did not necessarily suggest that users should not be concerned about the privacy leaks from Web sites.

They noted that third-party sites that are tracking a wide variety of popular information from Web sites that can be used to connect various pieces of the leaked information and link them to the identity of the individual user. These include the ID of the user that assigns user Web site (leaked by about half of the sites studied), unique identifiers, such as email addresses, or home address, and the fingerprint browser browser-information about how to set up individual, including the list of installed extensions, leaked the authors found a number of sites.

The study evaluated a variety of actions, Web users can take to prevent their information from being leaked, including blocking the setting of cookies and the use of the advertising block or unblock the utility built into the latest version of some of the most common browsers. They found all of these techniques to miss certain types of leak; Vhosmi advertising, for example, reliably not block third-party sites through the so-called hidden, even impair the usability of Web sites.

They also show the proposals contained in the report of December 2010 release online privacy by the FTC. "The report supports the privacy by design initiative, seeks to embed privacy in the design stage, proactive, defaults to private users and information about Sun access to sensitive data concerning the user is stored in the bcobri," research notes. But even these suggestions fail to provide safeguards against discussion user information by third-party sites or the hidden leak to third parties, and they do not include authentication methods, a third-party sites or penalizing those sound guidelines do not provide.

"As a key report to the FTC, he is ignoring the responsibility of saving their users privacy," said Wales. "These sites have a role in the custody of protecting users leak of sensitive information or identify them. Third-party sites have a strong financial incentive to continue to collect and aggregate user information, so relying on them to protect the privacy of the user continues to be a battle. It's time to put the focus on what you can do a first-party sites. "

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Encryption hardware developed for the new technology of computer memory

ScienceDaily (May 18, 2011) security are one of the key obstacles to the adoption of a new non-volatile main memory (NVMM) on the next generation, which improve the computer start and times and increase the memory capacity. But now developed researchers from the University of North Carolina new encryption hardware for use with NVMM to protect your personal information and other data.

NVMM technologies, such as phase-change memory, hold great promise to replace conventional dynamic random access memory (DRAM) in main memory of computers. NVMM will allow computers to begin immediately, and can integrate with more memory and the same amount of space used by existing technologies. However, NVMM is a security risk.

The standard of DRAM main memory stores data after the computer is turned off. That is, for example, that does not store your credit card number and password after the online shopping spree. NVMM, on the other hand, preserves all user data in main memory, and even years after the computer is turned off. This feature may give criminals access to your personal information or other data if your laptop or smart phone were stolen. And, because NVMM the data is stored in main memory, it cannot be encrypted by using the software. Software cannot manage main memory functions, because the software itself is in main memory.

NC State researchers have developed a solution using hardware encryption system called i-NVMM.

"We use hardware to encrypt everything," explains Dr. Yan Solihin, Professor of electrical and computer engineering at NC State and co-author of paper describing i-NVMM, "but then the system will run very slowly – that all the time to encrypt and decrypt data.

"Instead, we developed an algorithm for identifying data is not needed by the processor. This allows us to keep the 78% of main memory are encrypted during normal operation, and slows only system performance on 3.7 percent. "

The i-NVMM also has two additional benefits. First, its algorithm also detects inactivity. This means that people are currently not in use-such as your credit card number--is encrypted automatically. This makes the i-NVMM even more secure than DRAM. Second, while 78 percent of main memory is encrypted when the computer is in use, the remaining 22 percent is encrypted when the computer is turned off.

"Basically, unless someone is accessing your computer when you use it, all data is protected," said Solihin.

I-NVMM relies on the cryptographic engine integrated within the memory module is a stand-alone computer, does not require changes to your computer's processors. This interpretation can be used with different processors and systems.

"We are now looking for partners in the industry who are interested in this technology," said Solihin.

The paper, "i-NVMM: a secure non-volatile memory system key with encryption are cumulative," June 6, International Symposium on computer architecture (ISCA) in San Jose, Calif. paper was surgeon by Dr. Siddhartha Chhabra, ph d student. Former NC State. Research supported, in part, by the National Science Foundation.

Why cannot work with your Web applications

Your idea is (it is):

[] Social Discovery]
[] Cooking [Video]
[] Gaming
[] Music
[] Shopping
[] Business
[] The Technical tool, which gives the peoples lives easier through:

[] Giving them things for free, they were used to pay for.
[] Shows Them interesting things in their surroundings.
[] Enabling them to do things, anywhere, that they have to do at home on your PC.
[] Allows easy access to relevant information about what is on them.
[] Proposing things can do, or that would otherwise make a thought.
[] Proposes new content on the basis of the content, or their friends consume.
[] Giving them a discount when purchasing through your application.
[] Making tasks take minutes, hours.
[] Creates a new way to share things with friends.

It will not work because:

[] Only begins to provide a critical mass of users once it is used.
[] Do not have access to these data.
[] You have solved the problem of "How can I make money from it," but not "Why people need this" problem.
[] You have solved the problem "Why people need it," but not "How can I make money from it" problem.
[] No one is to donate money.
[] No one will pay for something, what they can get for free elsewhere.
[] Have come up with great features, but not a great product.

In Addition:

[There] are already hundreds of people doing similar applications, and your offers a clear difference.
[] Why just Google it yourself instead of buying your company?
[] Don't know enough about the market you're shooting at.
[] You do not have the necessary technical skills personally, nor the techniques in the team.
[] You do not have personal business skills required, neither man commercial team.
You do not have a team, it] you – it hurts me too, one of the founder are statistically more prone to failure:(

However, as long as I'm ticked to total two or fewer fields in the above two parts:

[] You can start on the market, smaller (e.g.: only Great Britain instead of the world, India, the bands instead of all music, Indian cooking, instead of all horror movies instead of each film) and build up here.
[] You can get fast minimum version of the product out to the next month and see how it goes (opportunities multiply as they are seized-as soon as the product which is outside, the new options will be clear).
[] You can attempt to gain investors finance, so you can do business and hire the talent you need.
[] Can be consistently without a business model, the true dotcom bubble style. Maybe you can flip it later, or the business model will arise.

But in the end, don't let me! I started a successful business or failed to start one, instead, I have sinned much worse--is not even trying to seriously. I spend a lot of time spotting, what's wrong with things and ways to improve on them, most of them eventually blog, projects at work or the items in the task list. I'm still waiting for my breakthrough idea hit me, and this post shows the general process to go through to decide if app idea's development. Currently it is the first revision, so I expect I'll be tweaking it, I shall from time to time. Input is greatly appreciated!

Build safety into the computer system that Rashi

ScienceDaily (May 11, 2011) a new publication from the National Institute of standards technology (NIST) provides guidelines to secure the earliest steps of your computer's startup process. Known as the basic input/output system (BIOS), that underlying the system firmware – built-in hardware-computer code initializes the hardware when you switch on your computer before starting the operating system. BIOS security is a new area of focus for the NIST computer security scientists.

"By building security into the firmware, the creation of a secure system," said Andrew Regenscheid, one of the BIOS protection guidelines (NIST Special Publication 800-147). Without appropriate protections, attackers can disable systems or hide malicious software by changing the BIOS. This guide focuses on reducing the risk of unauthorized changes to the bios.

SP 800-115, designed to help manufacturers to write BIOS code provides guidelines for building features into the BIOS to help protect it from being modified or damaged by the attackers. Manufacturers routinely updating system firmware bug fix, patch vulnerabilities, new hardware support. SP 800-115 calls using encryption "digital signatures" in order to verify the BIOS updates before installation based on the current encryption of NIST guidance. The publication is only available as manufacturers begin to deploy the new generation of BIOS. "We believe that manufacturers are ready to implement these guidelines, we hope to see the products soon," said Regenscheid.

The publication also offers recommended that tight management together with the security guidelines for manufacturers. These best practices will help your managers to take advantage of the features of the BIOS when they become available.

BIOS protection guidelines, NIST SP 800-115, available at http://csrc.nist.gov/publications/nistpubs/800-147/NIST-SP800-147-April2011.pdf.

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Pointless update?

It is unreasonable to update.

I updated this blog for more than a month. Google like it when I update often. So I'm doing unnecessary update to find out what will Google do. Last year I started a blog, updates every two weeks and has been a great increase in search traffic from then (anecdotal evidence I know, but controlled experiments on SEO is difficult).

Now my updates are less frequent, my traffic sank a little again. So I was hoping that this update will cause my traffic again increase.

So it's not really unnecessary updates, it's part of an experiment to see how Google responds. And in fact I actually managed to get this feature into an interesting post on the search engines, so the experiment is apparently hopeless flawed. But read on, if you are interested in a waffle about how search engines such as Google actually operate.

We're talking about the search for signals, there are several different philosophy when it comes to search. At present, so search engines work is essentially a ' bag of words "approach. Which means, basically, are acting in a document, simply as a list of words without order or importance; "I'm a funny dog" is treated the same as "am I funny dog".

Search related documents is then just a matter of counting the number of words that match between the document and the search query. Some simple measures of assistance, such as the resulting asset stripping the last word, which includes. For example, the "complete" may be considered to be the "end" to match the ' End ', ' end ' and ' End ' all. You can see it in action on the Google results page, where highlights the words that are similar to those that you specified.

Word order in English is important, however, search engines and lose some of the information shozením order. Return some of this information, search engines also take the n-gram sub-phrases from the document, so rather than the simplistic bag of words, they are also a list of all sub-phrases contained in the document with the appropriate assistance. For example, if your document contains the following text: "I'm a funny dog," then the search engine internally may present this document as "dog", "I", "fun", "I", "I", "ridiculous", "funny dog". This representation was stripped of its bark stopwords, words that are so common they are very useful, such as "I" and "and", has emerged as "ridiculous" to "fun" and it's part of the bigram (two words) sentences, which means that it will rank better for "funny dog" than "the dog" – in both cases, the query consists of 2 words, which are present in the document, but using 2-gram phrase in an index, we can write the algorithm, which recognizes that "funny dog" is also in the document, so the query "funny dog" 3 hits in the index, while "dog" is just gets 2.

They told me that the 2009 Google has collected data 6-gram phrase for the entire web site, (it is quite a lot of data). These words may also be weighted according to their location within a document (towards the top in the title? as? the text link?).

Documents are also weighted according to their competence, calculated on how many sites link to your web site (known as PageRank). And another factor is the frequency of updates. Therefore, this update, only to find out what kind of impact it has.

Earlier I mentioned the different search philosophy, but I think it is probably a matter for a more detailed post with images, and code examples, and all kinds of actual content.

If your taste information for search engines was encouraged, but is not met, I recommend my boss podcast about how SEO is a modern myth.

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Hide files in the files for better security of the data: using the program executable files to hide data with steganography

A new approach of AScienceDaily (May 9, 2011) to hide the data within the program files on a computer could make it nearly impossible to detect hidden documents, according to a report International Journal of Internet technology and secured.

Steganography is a form of security through obscurity information hidden inside the medium. An artist might paint a message encoded into a portrait, for instance, or author to embed lyrics in the text. Traditional paper watermark is an example of steganography is in action. At first glance, it appears that there is nothing unusual, but the recipient aware of the presence of hidden message can be extracted easily. In computer science, more than the art of steganography.

These target to hide information from prying eyes to embed data in many different file types that are ostensibly (mp3) of music, photos (jpeg), video (mpeg4) or word processing documents. Unfortunately, there is no limit to the amount of hidden data can be embedded in such files without this information becomes clear something is hidden because the file size increases beyond what can be expected for shared music or video file, for example. A music file to mp3 format in five minutes as the sampling rate of 128 kilobits per second, for example, is expected to be 5 megabytes in size. Much bigger aroused suspicions about the true nature of the file, a software mp3-tags in the open, something is wrong with the content of the file. This can be said for almost any other file types.

However, one set of files and their size, they are usually quite difficult to examine in detail that they provide compile computer code are the executable files or exe. These files tend to contain a lot of what might be described as "spam", as well as internal and programmer notes, redundant code snippets, some senses infuriatingly inflate code. All this adds up large file sizes and random fact for the .exe files. As such, it may be possible to embed and hiding large amounts of data in an encrypted file without disrupting the ability of the executed file, or run a program but ???????? without anyone discovering the file exe has a dual function.

Computer scientists Rajesh Kumar Tiwari of GLNA at Mathura, g., Sahoo of birla Institute of technology, Mesra, Ranchi, India, developed this algorithm for embedding hidden data in the session. They provide information International Journal of Internet technology and secured transactions. The algorithm built into the program with a graphical user interface will take the conventional exe file as input hidden data, merge the two producing sustainable exe file with the hidden content. The technology can be used on smart phones, tablet PCs, portable media players or any other information which a user may want to hide data.

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The above story printed (with writers adaptations by a teamdaily science) from materials provided by publishers, Inderscience, via EurekAlert!, a service of AAAS.

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4 ways to identify secure Web sites on the Internet

Total Internet Web pages, there are approximately more than 150 million active operation. As a result, it becomes a real challenge for users to identify secure Web sites that are reliable and reputed. Have you ever wondered to know the reputation of a Web site before placing the order? You need to know if a particular Web site is safe kid? Well, here are some ways to identify secure Web sites on the Web.

 

WOT is a great place to check the reputation of your favorite Web site. WOT provides real-time ratings for each Web site on the basis of the comments that it receives from millions of reliable users across the globe and trusted sources, such as blacklists of phishing and malware. Each domain name shall be evaluated on the basis of these data and ratings shall apply mutatis mutandis. A snapshot of the WOT gohacking.com rating is shown below:

 

 

 

 

 

 

As shown in the above screenshot, the reputation of each Web site is displayed by the view of 4 elements which means Green, yellow excellent warns users to be cautious and red indicates a potential danger.

 

Reliability indicates the overall security of the website. A poor rating may indicate that the site is associated with threats such as Internet fraud, phishing, identity theft and malware.

 

Supplier reliability tells you whether a given site is safe to proceed to buy and sell transactions. An excellent rating indicates higher customer satisfaction, while a bad rating indicates possible fraud or bad experience.

 

Privacy says about "how far the site respectful of the privacy of users and protects their personal identity and data.

 

Child safety indicates whether the content of a particular site is suitable for children. Site content such as erotic material, nudity and obscenity have a bad score child safety .

 

In most cases, the WOT ratings are found to be highly accurate. To check the reputation of any given Web site, just visit www.mywot.com press-in your favorite Web page address, and click check now. Only this tool can tell a lot about the integrity and the safety level of a Web site. However, in addition to this, I will give you another 3 useful tools to identify secure Web sites on the Web.

 

2. McCafee SiteAdvisor:

McCafee SiteAdvisor is a free tool which is available as a browser add-on. Adds safety ratings to your browser and search engine results. This can be downloaded from the www.siteadvisor.com.

 

3. StopBadware:

Using this tool, you can check if a given site is said to have participated in activity of malware in the past. To check this, go to http://www.stopbadware.org/home/reportsearch and enter the URL or domain name from a Web site and click "Search Clearinghouse". If your search does not return any results, this means that the site has never participated in any activity of malware in the past.

 

4. Google Pagerank:

Google PageRank is another great tool to test reputation and popularity of a website. The tool PageRank rates each Web page on a scale from 1 to 10, which indicates the Google view of the importance of the page. If a particular Web site has a PageRank of less than 3, then is said to be less popular among the other sites on the Internet.

 

However, PageRank will only tell you how popular a particular Web site is and has nothing to do with the security level of a Web site. Thus, only this tool cannot be used for the evaluation of the safety of the website and other factors.

 

The PageRank feature is available as part of the Google toolbar. You can install the Google Toolbar from http://www.google.com/intl/en_uk/toolbar/ie/index.html.

 

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Single-Atom quantum information stores

ScienceDaily (May 2, 2011) memory data could hardly be less than: researchers working with Gerhard Rempe at the Max Planck Institute of quantum optics in Garching has stored quantum information in a single atom. Scholars wrote the quantum state of a single photons, that is, the light particles into atomic rubidium, vrshm it again after a particular volume. This technique can be used in principle to design a powerful domain and to communicate them quantum with one another across large distances.

Quantum computers one day be able to cope with the computational tasks within a short time in which the current domain will take years. They would take the enormous computing power of their ability to simultaneously process diverse data items that are stored in the microscopic quantum physical systems, such as a single opaque vpotonim. In order to be able to run, you must replace these quantum computers are pieces of information between the various components. Photons are especially suitable to do this, as no matter what needs to be transported with them. Particulate matter however will be used for processing and storing information. Researchers are looking for and methods by which you can exchange information between photons and quantum. However already performed with ensembles of many thousands of atoms, physicists at the Max Planck Institute of quantum optics in Garching now proven that quantum information also can be controlled from a single photons to atoms.

Using a single atom that storage unit has several advantages: minimizes the extremists have only one, says Holger Specht mmboss-Garching Max-Max, which was involved in the experiment. You can process the information stored by direct manipulation baatom, which is important for performing logical operations, quantum computer. "In addition, it offers the opportunity to see if quantum information stored in the bapoton successfully written into the atom without destroying the quantum state," says Specht. Possible, make sure that you have to go early in the process of computing due to storage.

The fact that no one could very recently on quantum information exchanged between photons and atoms single was that interaction between the light particles and atoms very weak. Atom, the photon will not take notice of it, as it were, like two people barely speak to each other party, so replace only a little bit of information. Researchers in Garching have enhanced interaction with rotation. They assume the Atomic rubidium between optical resonator mirrors, and then use very weak laser pulses to introduce single photons into the cavity. Reflected photons in the cavity mirrors several times back and forth, which improved the interaction between photons and atom. Figuratively speaking, guests of the party and meet more often and increases the chance that they are talking to each other.

Photons carried quantum information in the form of polarization. This can be left (direction of rotation of the electric field is counterclockwise) or right (clockwise). Quantum state of the photon polarizations can be both at the same time as the superposition. Interact with the photon the atom rubidium is usually excited and then loses again the excitement of more probabilistic photon emission. Garching-based investigators did not want it to happen. On the contrary, the absorption of photon the atom could bring into the quantum state RB, steadily. The researchers at this with a laser beam, laser Control Panel, where they are directed to RB atom at a time when you interact with the photon.

Because the spin of the atom mabotiam contributes to stable quantum state generated by vapoton laser control. Spin gives the Atomic magnetic moment. Quantum state, the researchers use to store, and is determined by the orientation of the magnetic moment. The country is characterized by the fact that it reflects the State of polarization of a photon of the orientation: refers to the direction of the magnetic moment of the photon polarization cycle, a mixture of the two sides chshocmt being stored by the appropriate mixture of magnetic moments.

This is referred to as the reverse process: the Atomic rubidium with laser control panel again causes it to emit the photon re-which was the source of the event. The vast majority of cases, information Quantum Photon-out screens with information stored in the source, as physicists discovered in Garching. Quantity that describes this relationship, trust, was more than 90 percent. This is significantly higher than the 67 percent to fidelity can be reached with classical methods, that is not based on quantum effects. The method was developed in Garching is therefore a real quantum memory.

The physicists to measure the time storage, that is, the time quantum information may be retained, as RB-about 180 microseconds. "This is a parallel with times all quantum memories based on previous ensembles of atoms," says Stefan Ritter, a more involved in the experiment. Nevertheless, time is significantly more is required for the method used quantum quantum computer or network. There is also another quality characteristic of quantum memory in a single atom that can improve from Garching: efficiency. This is a measure of the number of photons are irradiated are stored, and then read again. It was just under 10 percent.

Storage time is mainly limited by the magnetic field fluctuations from the lab, said Ritter. "This is so you can zoom in by quantum information storage, quantum States of the atoms that they are sensitive to magnetic fields." effectiveness is limited by the fact that the atom to sit still in the center of the cavity, but passes. This causes the strength of the interaction between the atom photon to decrease. The researchers also helping improve the efficiency and effectiveness: by large cooling of the atom, that is, by its kinetic energy to another.

Researchers at the Max Planck Garching and now you want to work on these two improvements. "If this operation succeeds, the chances of a single Atom quantum memory is excellent," says Stefan Ritter. The interface between individual light atoms allow more quantum computer network atoms with this than be possible without such interface; The fact that such a machine to make stronger. Moreover, quantum mechanical photons will be possible across large distances and entangle atoms. Quantum entanglement is a type of mechanical link between the particles needed to transmit quantum information over large distances. It is currently in development at the Max Planck Institute of quantum optics, making that a critical element of the future "quantum Internet."

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A journal:

1. Holger p. Specht, Christian Nölleke, Andreas Reiserer Uphoff, Eden, Manuel Figueroa, Stefan Ritter, Gerhard Rempe. Single-Atom quantum memory. Nature, 2011; DOI: 10.1038/nature09997

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How to recognize and avoid phishing scams

Phishing is a form of social engineering technique used by attackers to obtain sensitive information such as usernames, passwords and credit card details, as one person/organization trustworty. Since most online users are not aware of the techniques used in the performance of a phishing attack, often the victims and therefore, phishing can be very effective.

With the dramatic increase in the number of scams in recent years, there was also a steady increase in the number of people who are victims. Lack of awareness of the population is the main reason behind such attacks. This article will try to educate users about these online scams frauds and irregularities and awareness.

Scams usually sends an e-mail message to users who request it for their personal information, or redirect to a website where they can enter their personal information. Here are some tips that can be used to identify various techniques of phishing and to stay away from it.

 

Identify a phishing scam

 

1. the attention of e-mail messages that require an urgent response on your part. Some examples are as follows:

• You may receive an e-mail message that appears to come from your bank or financial organisation that says "your bank account is limited due to unauthorized activity. Please Confirm your account asap to avoid permanent suspension ". In most cases, you are prompted to follow a link (URL) that takes you to a spoofed website (similar to your website Bank) and enter your logon information.
• In some cases, the phishing messages may ask you to make a phone call. There may be a person or an audio response to expect from the other side of the phone to take your credit card information, account number, social security number or other important data.

2. phishing e-mail messages is not generally personally. Since a lagre number aimed at the users online, usually using generalized texts like "Dear valued customer", "Dear Paypal user" etc., to address to you. However, some phishing messages may be an exception to this rule.

3. When you click on links contained in a phishing email, you will most likely be taken to a fake website with official logos and information that looks exactly like the original Web pages from your bank or financial company. Attention to the URL of a Web page before you enter any of your personal information. Even if they appear to be identical to the legitimate site malicious websites, often uses a different domain or variant spelling. For example, instead paypal.com's, a phishing website can use different addresses like:

• papyal.com
• PayPal.org
• Verify-paypal.com
• xyz.com/PayPal/Verify-Account/

 

Tips to avoid being the victim of phishing

 

1. Don't respond to suspicious emails that ask you to provide your personal information. If you are not sure whether an online request is legitimate, verify the same by calling the respective Bank/company. Always use the phone numbers that are printed in your Bank records or statements and not those mentioned in the suspicious e-mail message.

2. do not use links in email, instant messaging or chat conversation to enter a Web site. Instead, always type the URL of the Web site in your browser address bar to enter a Web site.

3. legitimate Web sites should always use a secure connection (https://) in these pages are intended to collect sensitive data such as usernames and passwords, account numbers or details, credic cards. You will see a lock icon in the address bar of your browser indicates a secure connection. On some Web sites such as paypal.com, which uses an extended validation certificate, in the address bar of GREEN triggers, as shown below.

 

 

In most cases, as opposed to a legitimate Web site, a Web site phishing or spoofed website will not use a secure connection and do not display the lock icon. Thus, in the absence of these security features can be a clear sign of a phishing attack. Always double-check the security features of the site before entering into any of your personal information.

4. always use a good antivirus software, firewall and email filters to filter out unwanted traffic. Also ensure that your browser is up-to-date with patches applied.

5. report a "phishing attack" or "spoofed" e-mails to the following groups to stop attacks from spreading throughout the Internet:

Directly, you can send an email to spam@uce.gov or reference of an attack to reportphishing@antiphishing.org. Also, you can notify the Internet Crime Complaint Center of the FBI by filing a complaint on their website at: www.ic3.gov.

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How to create your own custom commands execution

The command in the Microsoft Windows operating system allows you to directly open an application or document with a single command instead of navigating this is location and double-clicking the executable. However, it only works for some of the programs Windows Embedded as command (cmd), Calculator (Calc) etc. So, have you ever wondered how to create your own custom run commands for accessing Favorite programs, files and folders? Well, read on to discover the answer.

 

Allow me to an example on how to create a custom implementation for the open command in Internet explorer. After you create this command, you must be able to open Internet explorer by typing just "ie" (without quotation marks) in the Run dialog box. Here is how you do.

1. right-click on your desktop and select New-> shortcut.

2. You, as shown below, you will see a dialog box "create shortcut"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. click Browse, navigate to: program files-> Internet Explorer from your root drive (usually C:\) and select "iexplore", as shown in the picture above and click "OK".

4. Now, click Next, and type any name for the shortcut. You can choose any name as per your choice. What will your custom RunCommand. In that case I shall call my shortcut as "ie". Click Finish.

5. you will see a shortcut called "ie" to your desktop. All you need to do is just copy this shortcut and paste it into the Windows folder (usually "c:/Windows"). Once you have copied the shortcut in the Windows folder, you can delete the one on your desktop.

6. That's it! From now on, just open the Run dialog box and ie type and press Enter to open the Internet Explorer.

This allows you to create custom commands execution for any program of your choice. To do this, when you click the Browse button in step 3, just select the main executable file (.exe) file of the target program that will be is usually located in C:\Program Files. Provide a simple and short name for this shortcut, as per your choice and copy the shortcut file in the Windows folder as usual. Now just type this short name in the Run dialog box to open the program.

I hope you like this post! Pass your remarks.

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Privacy mode helps secure Android smartphones

ScienceDaily (13 month 2011) researchers at the University of North Carolina have developed software that helps prevent their personal information stolen by hackers smartphone Android.

"There are lots of concerns potential leaks of personal information from smartphones," says Dr. Xuxian Jiang, an Assistant Professor of computer science at NC State and co-author of paper describing the research. "We have developed software that creates a privacy mode for Android, give users a flexible control over what personal information is available for various applications." software application called privacy Smartphone steal information and Taming (TISSA).

TISSA works by creating a private Administrator setting that allows users to customize the level of information ????? access to all Smartphone application. These settings can be changed whenever the relevant applications that have been executed – not only when the applications are not installed.

The prototype of TISSA has four possible privacy settings for each application. These settings are trusted, Anonymized, Bogus, empty. If an application is trusted, TISSA does not impose restrictions on access to additional information. If the user chooses Anonymized, TISSA provides the application with a built-in information that allows the application to run, without providing access to detailed personal information. Artificial setting provides an application with fake results asking for personal information. An empty setting responds to requests of information by saying relevant information does not exist or is not available.

Jiang said it was easy to integrate TISSA change more settings to allow more fine-grained control of access to personal information. "These settings may be even more specialized for different types of information, such as a list of your contacts or position," said Jiang. "Settings can also be specialized for different applications."

For example, a user can install a weather application that requires location data to provide the user with the local weather forecast. Instead of telling the application exactly where is the user, can be programmed to TISSA was a built-in application data — such as random location within a 10-mile section of the user. This will allow an application to provide weather information, local weather, but will ensure that the application could not be used to track the movements of the user.

Researchers are now exploring how to make the software available for Android users. "Relatively minor software change," Jiang said, "and it can combine with the over-the-air update."

The paper, "Taming information-stealing applications Smartphone (bandroaid), was a surgeon by Jiang; Yajin Zhou 's, ph d student. On the NC State; Dr. Vincent Freeh, a Professor of computer science at NC State; And Dr. Zhang's Research Center, Xinwen of Huawei America. The paper will be presented at the Fourth International Conference, trusted computing, in Pittsburgh, finances and research supported by the National Science Foundation, NC State secure open systems initiative, which receives funding from the research of the United States Army.

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Math for faster, more secure

ScienceDaily (7 month 2011) faster, more secure multimedia sites hit by the new approach may be possible to secure a Web site and database. Boolean inputs allow thousands if not millions of users faster access to content which they are entitled, such as music, video, and pictures. The same process may reduce the risk of hackers accessing material illicitly.

Classic user identification requires remote user send a user name and password to the system they want to be authenticated. The system searches for a user name in its database that is stored locally, and then if the password matches the password stored in the filed, access is granted. Method to identify works under the assumption that there are no malicious users that their local consoles not infected by viruses.

Increasingly, however, these assumptions are too innocent. Assumption that not all users who have good intentions. Technology makes it easy to continuously capture transactions pipelines. User names and passwords so you can achieve easily by malicious third parties (other users or viruses), can be used for illegal hit systems.

Currently, the University education of Nikolaos Bardis, Vari, Greece and colleagues there and the Federal Institute of Kiev, Ukraine, developed an innovative approach to the hits, which implements some of the concept of zero identifies the advanced knowledge. The system is based on a series of relatively simple mathematical operations, referred to as Boolean operators, one way to make sure that log on to the encryption and decryption calculations-the standard in use today. The team explains that the pilot shows that their approach to sign can be hundreds or thousands of times faster than conventional logins. More importantly, the system will reduce the overall computing requirements of the supply side, as well as performing system much more secure logins.

"The effectiveness of information security algorithms is defined based on two factors: the level of security and the amount of computational resources required for the implementation of security functions," last sheet and colleagues explain Bardis of International Journal of multimedia intelligence and security.

Hnormatibim that all of the information security algorithm is a mathematical problem analytically fibrin, which you can define a function applied to the "x" to "y"; Y = F (X). The function may be so made this impossible reversal, like trying to unmix draws different colored pot. Asymmetric encryption algorithms (public key encryption algorithms) use this approach hit a Web browser and access to common systems for different types of database. This type of entry requires a lot of powerful computational inherently slow. Boolean function pointer team can be as simple as sophisticated, but requires a fraction of the computational power, and can be much, much faster.

Reset user authentication schemes in order to provide the user with a special function that produces a large number of results are different for each possible input. A group of input items that produce that result is selected. These hits are the passwords of users. A new user registers by sending their system and the common result. Validates the user for normal operation with a password at once. The user provides the password at the beginning of each meeting. The system calculates the value with this password serves as input to the function. If this is the common result, then successfully authenticate, access is granted. In fact, be someone who is trying to gain access without the knowledge necessary (invalid user) password to possible combinations, all before it.

Typically, functions used in recruiting large numbers of large forces and large numbers to find the remainder. These are the creations of standard computer systems processors run very slow, to impose a significant burden on even larger information systems with a large number of users. The proposed scheme uses linear systems of equations, not to build the Boolean function. Boolean equations to process binary data, using a simple binary operations between bits. This is exclusive OR (XOR). Calculations are thus much simpler for the simple reason that it is much easier to calculate expression logic than to increase the number of 100 digit to 10 digit, and then divide the result in large numbers. The series of replacements for the registration and verification is the same as before. However common they hit and binary vector.

"Zero knowledge of the user ID and security password Troubleshooter by using the change for each operating system, it is not known beforehand. The system only check validity, "team member DOUKAS Nikolaos explains. "The proposed method has the potential to use each system where malicious users have incentives to get illegal access and perform actions that they are not entitled to. The number of such systems is growing rapidly as the achievements of the information, "concludes.

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The above story is published (with writers adaptations by a teamdaily science) materials supplied Inderscienceby, via AlphaGalileo.

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A journal:

1. Nikolaos Bardis, Nikolaos DOUKAS, Oleksandr p. Markovskyi. Quick subscription ID is based on the principle of zero knowledge for distributing multimedia content. International Journal of multimedia intelligence and security, 2010; 1 (4): DOI: 10.1504/IJMIS 363.2010.039237

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Disclaimer: hdioth in this article do not necessarily reflect those of his team or ScienceDaily.

How to Write-Protect Your USB Flash Drive

Many a time, it becomes required forus to write protectourUSB peep expostulate so as to protect it from viruses as well as alternative malware programs.Because peep drives have been so popular as well as most widely used to pierce interpretation in between computers, they have been a budding aim for attackers as a means to get infections spread around a computer world.Also, given USB driveis not aRead-Only Memory (ROM),the interpretation insideit can easily be modified or deleted by malware programs.

But unfortunately, most of a brand new peep drives do not come with awrite-protect underline as themanufacturers instruct to cut down a price of production. Hence, a usually approach to write-protect your USB peep drives is to capacitate this underline upon your own computer.

This can bedone by adding a small entry to theWindows registry that acts as a switchthat can be enabled to have use of a write protection or disabled to allow write access. Just follow these steps:

1. Open a Registry Editor (Open a Run dialog box, type regedit as well as hit Enter).

2.Navigate to a following Registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\

3. Create a New Key named as StorageDevicePolicies. To do this right-click upon Control, as well as click upon New->Key as well as name it asStorageDevicePolicies.

4. Now right-click onStorageDevicePolicies and create a New->DWORD (32-bit) Value as well as name it as WriteProtect.

5. Double-click upon WriteProtect as well as set a Value data to 1.

Now a right-protection for USB drivesis enabled upon your computer (no restart required)and thus it would not be possible for any one or any program to add/delete a essence from your USB peep drive. Any try to duplicate or download a files onto a USB expostulate will result in a following blunder message being displayed.

To revert as well as remove a write-protection, all we need to do is only shift a Value data for WriteProtect (Step-5) from 1 back to 0. Now write entrance to all a USB inclination is re-enabled.

Sometimes itmay seem formidable to remember as well as follow a above mentioned stairs any time we want toenable/disable a write protection. Hence as an alternative way, there have been most tools available to automatically enable/disable a write-protection feature. One of my a one preferred apparatus is USB Write Protectby Naresh Manadhar. Using this apparatus we can extent write entrance to your USB drives with only a click of a button. You can download this apparatus from a following link:

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jQuery simple dialog plugin; 1.5kB minified

jQuery liteDialog is the unequivocally lightweight modal dialog plugin for jQuery. Its designed as an we dont care about the facilities we only wish to pop up the small message plugin.

Download the source upon github or Open the quick demo to see how it looks.

jQuery.liteDialog.js weighs in at 1.5kB minified, as well as requires only the single file. Its designed to be blindingly elementary to deploy as well as use, but additionally facilities the couple of basic options should we need them.By default, it only overlays the black shade over the total page as well as opens the dialog in the core of the screen with the html calm we specify. The dialog can be discharged by clicking anywhere or dire escape.

Basic liteDialog usage:

/* This is the many basic approach of attaching an event listener that fires the liteDialog */$('#normal').click(function() { $.liteDialog('This is the normal liteDialog.');});/* This e.g. sets some law options to showhow we can customise liteDialog to fit your needs. */$('#funky').click(function() { $.liteDialog({ html: "This liteDialog has the couple of law options set.", shadow: 'red', width: '200px', shadowRadius: '20px', background: '#00FFCC', color: 'blue', padding: 0, zIndex: 9000 });});/* This shows how to bucket calm in to liteDialog from an component upon the page */$('#element').click(function() { $.liteDialog({ html: $('#dialog').html() });});/* This shows how to bucket calm in to liteDialog via Ajax */$('#ajax').click(function() { $.get("./ajax_dialog.html", function(data, textStatus, jqXHR) { $.liteDialog({ html: data }); });});/* This e.g. specifies an choice that equates to the dialog cannot bedismissed solely by JavaScript */$('#modal').click(function() { $.liteDialog({ html: 'This liteDialog cannot be discharged solely by JavaScript\ - in this e.g. we\'ve the setTimeout to boot it after 4 seconds.' , modal:true} ); setTimeout(function() { $.liteDialog('hide'); }, 4000);});

So thats it. A indeed lightweight jQuery elementary dialog plugin. Nothing fancy, only slap it in as well as get the pursuit done.

Why make use of liteDialog?

There are hundreds of elementary dialog jquery plugins, lightboxes as well as so on. But theyre all rather tasty the single billed itself as extremely lightweight but enclosed 3.4kB of minified JS, the 3kB image as well as the CSS file. Thats not unequivocally what we expect to find when we poke for the lightweight dialog plugin. So we spent the small time essay liteDialog with the bare smallest functionality.

If we wish the loading spinner while it precaches an image for we prior to resizing to the scold dimensions, demeanour elsewhere. If we only fundamentally wish the whim rapt box, liteDialog is for you.

Thanks to: Twist Digital Media for being overwhelming as well as permitting me to open source this plugin that was created in work-time. If we have the equine racing associated web project, if no-one else can help, as well as if we can find them, maybe we can sinecure the Twist team.

Update: There were the couple of comments upon reddit about this.

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Off the hook: who gets phished and why

ScienceDaily (6 month 2011) communications researchers at four major found that if you get lots of email, habitually respond to the substantial part of it to keep a lot of online relationships, manage a large number of transactions over the Internet, they are more sensitive e-mail phishing expeditions than those who restrict their online activity.

The research, "why do people get Phished?" forthcoming in the journal, decision support systems, e-commerce, an integrated information processing model to examine differences in the individual vulnerability to phishing.

The research is relevant, given the rash of phishing expeditions that have become public, the online marketing firm Epsilon, the database whose last week was breached by hackers, which could affect millions of network marketing distributors and retail customers banking involving your invitation.

The authors are closet "Vish" Vishwanath, PhD, Professor in the College of communication arts and Sciences, UB, an expert in consumer behavior, especially diffusion and acceptance of information technology; H. Raghav Rao, Professor Emeritus, SUNY UB Department of science of service systems management, school of management, who conducts research on decision support systems, e-business, systems, emergency management and security; Brock University, Tejaswini Herath, Dr., (Ont, CA); Dr Rui Chen, Ball State University, and Wang Jingguo, PhD, University of Texas, Arlington. Herath, Chen, Wang earned degrees from all UB.

Email "phishing" is a process that employs techniques such as using names of reputable businesses (American Express, eBay), government institutions (the internal revenue service, Department of motor vehicles) or current events (political donations, Beijing Olympic tickets, and assists the victims of Katrina) in combination with a fear, Threat, excitement, or urgency, and convince people to respond with personal and sensitive information, such as user names, passwords, credit card information.

Phishing exploits what are typically have poor security technologies of the Internet, but Vishwanath says, "the way of avoiding spam blockers, we are required to reduce the number of unnecessary emails to people who could potentially confuse their judgment information processing.

"At the other end," he says, "people should be careful when taking advantage of very mailbox unit to respond to all email. An effective strategy is to use a different e-mail accounts for different purposes. If one e-mail address is used only for the banking, another is used only for personal communication with family and friends, this increase the attention to details email, reduce the likelihood of a chance of misleading due to the load. "

Vishwanath also advocates setting time aside to focus on and respond to email messages separately from personal e-mail in matters of work. For example, setting aside time each day for a personal reply email banking gives you time to process them clearly consider the legitimacy of their before responding.

Integrated information processing model of this study were phishing mtltlim, and previous research in interpersonal and level information processing.

We refined and validated our "model with a sample of the intended victims of an attack from an actual phishing," Vishwanath said.

In General, their model explains nearly fifty percent of phishing bmatltlim.

"Our results indicate that people process the most phishing emails are interested in making decisions based on the simple clues embedded in the email. Interestingly, the urgency for clues, that is, threats and warnings, stimulation email is processed, the short-circuiting the resources available to address other clues that can help identify potentially the deception.

"Our findings suggest that media usage patterns of mhsorm combined with high levels of email load must have a strong and significant effect on the chances of people being phished".

The study also showed that the competency of a person with computing does not protect you from phishing scams, but their awareness about healthy habits with phishing emails, help them prevent online fraud.

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The source of the story:

The above story printed (with writers adaptations by a teamdaily science) from materials provided by University at Buffalo.

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A journal:

1. Arun Vishwanath, Tejaswini Herath, Rui Chen, Wang Jingguo, h. Raghav Rao. Why do people get phished? phishing vulnerability checking individual differences within an integrated information processing model,. Decision support systems, 2011; DOI: 10.1016/j. dss. March .002 2011.

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Disclaimer: hdioth in this article do not necessarily reflect those of his team or ScienceDaily.

Looking for blue sky cloud security

ScienceDaily (6 month 2011) cloud computing represents a significant change in how we use information technology. Digital file storage space, processing power and software services away from the abstract of the user himself access to computing over the Internet. Google's online office software, the player's new Amazon Cloud, a photo gallery like Flickr are examples of cloud services. Users can work with and use their data on the number of devices and networks almost anywhere for free or by the payment service provider.

Researchers Kashif Kifayat, Madjid Merabti, Qi Shi of the University of Liverpool, John Morse, United Kingdom, outside this cloud computing has many advantages, including a high degree of redundancy in the hardware and software levels and geographic independence as well. Cloud services to cope with increases in individual user demand of the user without the user having to upgrade their system. However, there are concerns about security and other risks. After all, users rely on a service provider with potentially sensitive data, as well as the need to deal with the option of terminating a system which may disturb their workflow significantly.

International Data Corporation CITES team who analysed the worldwide forecast for cloud in 2009 of the order of us $ 17, and assessing. 4bn for 2013 as may revenues at a rate of. 2bn show us $ 44; The European market range from $971 m in 2008 to us $ 6, 500 m in 2013. In terms of sky blue, the future is almost certain of snow. However remember, availability, manageability, control, data protection, privacy and security, and scalability are all issues that do require urgently. Security and privacy in the current model is based on the paradigm of the desktop on the network as opposed to the connected cloud computers "fool"

"When the sensitive and regulated goes into the cloud, specific security issues that include authentication, access control, encryption, data leak protections, regulatory reporting, virtualization technologies across multiple geographies," explains team. "Why the future of cloud computing will raise the level of complexity and scalability that will trigger the security problems."

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The source of the story:

The above story is published (with writers adaptations by a teamdaily science) materials supplied Inderscienceby, via AlphaGalileo.

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A journal:

1. Kashif Kifayat, Madjid Merabti, Qi Shi. Future security challenges in cloud computing. International Journal of multimedia intelligence and security, 2010; 1 (4): 428: 10.1504, DOI IJMIS. 2010.039241

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Disclaimer: hdioth in this article do not necessarily reflect those of his team or ScienceDaily.

Smartphones: providing seamless, secure exchange of data between multiple platforms

ApplicationsScienceDaily (Mar. 2011) with the Smartphone market of today. In the future, Web-capable TVs, desktop computers and tablet PCs, and cars will run all the apps, which helps, for example, a program and a ski trip.

To enable Web applications bbarba networks, the project consortium webinos creates a full open source code base. Tagerted technology allows different devices and applications work together seamlessly, securely and interoperably. Most recentely, the Consortium is the first research results are summarized in reports four cover use cases, security, technical and industrial requirments.

Webinos from one of the major project to companies, research institutions, including the Fraunhofer FOKUS, Technische Universität München, University of Oxford with electronics companies such as Sony Ericsson, Samsung, carmaker BMW regulatory body like the W3C Deutsche Telecom operators. Webinos is sponsored by the 10 million euro grant from the European Union.

"The result of the webinos project is an open source platform that enables the secure exchange of data between multiple devices and services," explains Dr. Stephan Steglich, leader of the Consortium on the Fraunhofer FOKUS. The tools provided through the platform will allow software designers to create Web applications in any industry, and services that can be used, or common to a broad spectrum of integrated and connected devices-regardless of the hardware specifications for their operating systems.

New business opportunities

"It is already clear that for new business models and opportunities are endless, especially because the target platform for interactive webinos project and software developers and applications to design innovative applications, personalised and safer," says Dr. Nick Allott, technical coordinator of webinos and founder of NquiringMinds Inc. technology allows Web applications to access at the same time batlooizia, Your computer, your passwords or games or music player.

"Small and medium-sized enterprises also benefit from bright and low foot in the door ' of the world of applications," adds Dr. Steglich. "They don't need to go to the expense of purchasing or developing the software themselves if they want to adapt services to a wide variety of stations".

Secure Web experience

Privacy and security considerations are at the heart of webinos. It enables useful without hindrance, but only with user permission. Embedded in the open source platform features put sensitive data and functions under the user's explicit, not to remain on the questionable reliability of cloud. "Security and privacy user expectations" covered by one of the published reports.

Webinos developed platform is still in the design, with the first prototype is expected to be completed by the end of 2011. Webinos Consortium welcomes input into the development of the platform. For more information, visit: www.webinos.org

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The above story is published (with writers adaptations by a teamdaily science) materials provided by the Fraunhofer-Gesellschaft,, via AlphaGalileo.

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Disclaimer: hdioth in this article do not necessarily reflect those of his team or ScienceDaily.

jQuery simple dialog module; 1.5 kB minified

jQuery liteDialog is a very lightweight modal dialog plugin for jQuery. It is designed as a "don't care about the features, I just want to show a small message" plugin.

Download the source on github or open the sample quickly to see how it looks.

jQuery.liteDialog.js weighs 1.5 kB, minified and requires only one file. It is designed to be simple to deploy and use the dazzling, but also contains several basic options should you need them.

By default, this is only the overlay black shadow across the page and opens a dialog box in the middle of the screen with the html content that you specify. Dialogue may be revoked, click or press escape.

Basic use: liteDialog

/* This is the most basic way to connect an event listener that fires liteDialog */$(' # normal ').click(function(){ $.liteDialog()"this is the normal liteDialog.");});/* This example sets some custom options you can customize to showhow liteDialog adapted to the needs. */$()' # funky ').click(function(){ $.liteDialog(){ html:this liteDialog has a few hundred custom options. ", shadow:' red ', the width of the:' Image: name of .jpg | 200px | ', shadowRadius:'20px', pozadí:' # 00FFCC', barvy:'blue', výpln:0, zIndex:9000});});/* This shows how to load content into the liteDialog of the element on the page */$(' # element ').click(function(){ $.liteDialog({ html: $('#dialog').html()});});/* This shows how to load content via Ajax in liteDialog */$(' # ajax ').click(function(){ $.získat()". /the htmlajax_dialog. ",function(), data, textStatus, jqXHR){ $.liteDialog({ html:});});});/* This example specifies the option, which means that, in the dialog box could not be bedismissed with the exception of using JavaScript */$(' # modal ').click(function(){ $.liteDialog(){ html:' this liteDialog cannot be dismissed except\ using JavaScript-in this example we\ 'in setTimeout refuse, after 4 seconds., modal:true});  setTimeout(function(){ $.liteDialog('hide');},4000);});    

So that's it. Module actually easy jQuery simple dialog. Nothing seemed to just slap in a job.

Why use liteDialog?

There are hundreds of simple dialogue jquery plugins, and so on. But they are all rather meaty-billed itself as "very slight", but included 3.4 kB minified JS, 3 kB image and CSS file. That's not what I expect to find for the plugin easy dialogue. So I spent a little time for writing liteDialog with bare minimum functionality.

If you want to load a spinner while precaches images for you before you change the size to the correct dimensions, look elsewhere. If you want to simply classy warning window, liteDialog is for you.

Thanks: Twist digital media predictions and allows you to open the source of this plugin that was written in the working time. If you have a horse racing related Web project, if no one else can help, and if you find them, maybe you can hire the team Twist.

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Genetic algorithm examples

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There’s been a lot of buzz recently on reddit and HN about genetic algorithms. Some impressive new demos have surfaced and I’d like to take this opportunity to review some of the cool things people have done with genetic algorithms, a fascinating subfield of evolutionary computing / machine learning (which is itself a part of the broader study of artificial intelligence (ah how academics love to classify things (and nest parentheses (especially computer scientists)))).

If you’re new to genetic algorithms, don’t be put off by the awesome/scary name – you might like to check out my own modest contribution to the field of abusing science to make cool useless things; the hello world genetic algorithm tutorial. It’s written as a short genetic algorithm tutorial to help beginners understand genetic algorithms from the ground up (and it has a pretty interactive demo in JavaScript too!).

So here’s my top five evolutionary scripts:

Number Five – Evolving a Car

The earliest genetic algorithm I can remember seeing online is the original boxcar script, which evolves a car capable of traversing a landscape. It’s written in flash and source code is available which is pretty cool. It pops up on reddit etc from time to time. The earliest discussion I can find was from 2008. Here’s another thread from 2 months ago. This idea has recently been reborn at boxcar2d.com, where you get a little more control over the parameters – mutation rate, number of wheels, etc.

It’s pretty easy to see what the fitness function will be; how far the car can travel. This script also gives an answer to a common question; people often wonder what the point of a genetic algorithm is, asking things like “If you know what constitutes a good solution, why can’t you just create a good solution from scratch?”. The car evolution script demonstrates that in some cases knowing what makes a solution a good one doesn’t always imply that we know how to achieve that. We know that we want the cars to travel far, but we mightn’t know whether a short wheelbase is good, or whether large or small wheels are helpful and so on. Genetic Algorithms offer an easy way to explore the space of possible solutions.

Number Four – Lego Structures

This is a spectacular demonstration of the power of genetic algorithms – using them to evolve schematics for lego structures (which of course, the researcher then print out and create for real!). Some examples include evolving a lego bridge, a lego tree, a crane capable of carrying half a kilo, and a three dimensional table optimised for height, surface area, strength and lightness!

In the example above, candidate solutions were considered fitter the greater distance they spanned – the final bridge candidate was nearly two metres in length!

Besides combining lego and computers into a package of unbridled awesome, there are a few interesting lessons to learn from this:

1) The researchers probably couldn’t have created this length bridge by hand without a lot of effort, so the GA simulation allowed them not only to produce a decent real solution efficiently, but also allowed them to build a bridge without having any knowledge of how to build bridges (none of the humans needed to be architects). So that’s encouraging for fields where there are no existent human experts.

2) The bridge isn’t that good. I mean, it’s great, but it takes no load, and there’s probably a ‘better’ way to build a 2 metre bridge from lego – if you tasked an engineer with the problem I doubt they’d produce anything like the above structure. Which tells us that human experts, if extant, will probably be better than evolved solutions. And we also learn that it’s hugely important to get the right fitness function – the researchers didn’t add any load carrying ability to the algorithm, so it didn’t optimise for that. Perfectly understandable and expected, but something to be aware of if you’re designing your own genetic algorithm. Do you really want to assume you have an infinite supply of bricks or should the fitness function penalise a little for excessive material usage? Questions to ask yourself as a researcher.

I’m not meaning to imply that the guys who built this bridge overlooked anything – they knew exactly what they were doing – but I think their results illustrate quite nicely that even with fancy genetic algorithms, a computer will still always do exactly what it’s told to. They wanted a long bridge. That’s what they got.

Number Three – Artificial Creatures

If you thought the boxcar demo was cool, you’ll love this. While the boxcar was two dimensional and merely attached already-rotating wheels to struts to achieve motion, Nicolas Lassabe’s work involves evolving from basic building blocks creatures which are capable of interacting with a three dimensional physical environment – first walking, then climbing stairs, traversing moving objects, and finally operating in cooperation. You can watch the video below, and visit his website all about his research into artificial life.

These artificial creatures are a fascinating way to visualise the process of evolution, and offer a brilliant muse into the workings of natural selection. Moreover, I can see potential applications for resourceful robots which might scan an environment for parts it might be able to use and then use an evolutionary algorithm to find a good way of incorporating those parts into itself. Or something. Either way, I guarantee that when the robots come to cleanse the earth of organic scum, they’ll have evolved from these cute colourful critters originally. Be warned.

Number Two – Mona Lisa

This class of demo scripts are impressively visual. The task is to rearrange and re-colour some polygons in order to maximise the similarity with the Mona Lisa. It’s mesmerising to watch the triangles shuffle around on the canvas, gradually forming the face, eyes, mouth and so on.

There have been a few different Mona Lisa demos, but the earliest I can find is Roger Alsing’s Genetic Mona Lisa demo from December 2008. This demo (output pictured above) wasn’t even strictly a genetic algorithm – the solutions were represented in a chromosome and mutation occured, but there was no crossover operation (although Roger insisted it still qualified).

Since then, several authors have attempted the same using different technologies and approaches. Jacob Seidelin wrote an awesome version in Jan 2009 which is truly genetic, and furthermore works in JavaScript and html5 canvas! The awesomeness is almost too much to bear.

What strikes me about these is that you clearly see rapid progress towards the target image, but then a kind of local optimum is reached where the evolved image improves only at a very slow pace. This indicates a less-than-perfect mutation or encoding method. Indeed, perfect fitness can never be achieved using a limited set of  polygons. Roger Alsing hinted at greater success with the detailed areas by using spline curves, pictured below, but no more has been heard about this.

Besides being a very fun demo to watch, there’s a strong intuitive sense that this could be applied to image compression; if you take a very fit candidate image, the chromosome will likely be a lot smaller than the original image data. Moreover, the chromosome will effectively be a vector graphic – infinitely scaleable. So there’s serious practical potential in genetic image compression and vectorisation. Neat. Encoding time is probably going to be an issue though.

Number One – Evolution IS a blind watchmaker

A clever and original demonstration of genetic algorithms. In this demo, the population starts with springs, gears, ratchets and hands, and it tries to evolve a working clock.

No shortcuts are taken; at the start the algorithm doesn’t know the correct ratios, number of teeth in the gears, correct number of components or which components fit together nicely. Watch the video as simple pendulums slowly evolve into hour, minute and second counting clocks. And even 4-handed clocks which have a 2 minute hand are unexpectedly evolved.

The presentation is framed within the wider creationism/evolution debate, and makes for an impressive demonstration of the power of evolution, and furthermore, the matlab code is made available in the video’s description! Impressive, educational and original!

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If you’d like to learn more about genetic algorithms, check out my genetic algorithm tutorial with interactive demo and code, and post your go-to examples of genetic algorithms in the comments!

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This entry was posted on March 3, 2011, 3:28 pm and is filed under machine learning. You can follow any responses to this entry through RSS 2.0.You can leave a response, or trackback from your own site.

How to write protect your USB Flash drive

 

Many a time, it becomes necessary for us to write protect USB flash drive us to protect it from viruses and other malicious programs. Because flash drives are so popular and most widely used for moving data between computers is the primary objective of the invaders as a way to get infections spread around the world. Also, since the USB drive is not read-only memory (ROM), the data inside can be easily modified or deleted by malicious programs.

But, unfortunately, most new drives flash does not come with a feature such as switch manufacturers to reduce production costs. Therefore, the only way to write protect your USB flash drive is to turn this feature on your own computer.

This can be done by adding a small entry in the Windows registry, which acts as a switch that can be activated to use the write-protected or disabled to allow write access. Simply follow these steps:

1. open the Registry Editor (open "Run" dialog regedit , type and hit "Enter").

2. navigate to following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\

3. create a new key named StorageDevicePoliciesas. To do this right-click the controland click new-> key and name the StorageDevicePoliciesas.

4. Now right-click StorageDevicePolicies and create a new->(32-bit representation), DWORD and name the WriteProtectas.

 

 

 

 

 

5. double-click WriteProtect in and set the value data in 1.

Now, the right to protection for USB drives on your computer is enabled (requires restart) and thus would not be possible for anyone or any program for adding/deleting contents from USB flash drive. Any attempt to copy or download of files on the USB drive will cause the following error message appears.

 

 

 

 

 

 

 

To go back and remove the write-protection, all you have to do is simply changing the value data for WriteProtect (step 5) 1 back to 0. write access to all USB devices are now re-enabled.

Sometimes it may seem difficult to remember and follow the steps above every time you want to enable/disable the write-protection. Therefore, as an alternative way, there are many tools available to automatically enable/disable write-protected. One of my favorite tool is USB write protect by Naresh Manadhar. Using this tool you can restrict write access to your USB drives with a click of a button. You can download this tool from the following link:

Popularity: 6% [?]

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