http://www.sciencedaily.com/news/computers_math/encryption/ Encryption. Read the latest research on computer security and encryption methods here. Evaluate new methods for protecting sensitive data. en-us Sat, 21 Nov 2009 06:05:01 EST Sat, 21 Nov 2009 06:05:01 EST 60 http://www.sciencedaily.com/images/logosmall.gif http://www.sciencedaily.com/news/computers_math/encryption/ For more science articles, visit ScienceDaily. http://www.sciencedaily.com/releases/2009/11/091118160627.htm Engineering researchers have developed a unique and robust method to prevent cloning of passive radio frequency identification tags. The technology, based on one or more unique physical attributes of individual tags rather than information stored on them, will prevent the production of counterfeit tags and thus greatly enhance both security and privacy for government agencies, businesses and consumers. Thu, 19 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091118160627.htm http://www.sciencedaily.com/releases/2009/11/091115134128.htm Physicists have demonstrated the first "universal" programmable quantum information processor able to run any program allowed by quantum mechanics -- the rules governing the submicroscopic world -- using two quantum bits (qubits) of information. The processor could be a module in a future quantum computer, which theoretically could solve some important problems that are intractable today. Mon, 16 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091115134128.htm http://www.sciencedaily.com/releases/2009/11/091116103705.htm Scientists have embraced the Grid, but businesses have held back, concerned about complexity and security. Now a European research team has built a platform opening the Grid's vast resources to business users. Mon, 16 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091116103705.htm http://www.sciencedaily.com/releases/2009/11/091111120105.htm Researchers in Egypt have developed a technique to compress DNA sequences of the kind used in medical research so that they take up a lot less space in a computer database but without loss of information. Sun, 15 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091111120105.htm http://www.sciencedaily.com/releases/2009/11/091109121203.htm If you forget your password when logging into an e-mail or online shopping website, the site will likely ask you a security question: What is your mother's maiden name? Where were you born? The trouble is that such questions are not very secure. But computer scientists are testing a new tactic that could be both easier and more secure. Mon, 09 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091109121203.htm http://www.sciencedaily.com/releases/2009/10/091027162009.htm Cyber criminals are using fake messages claiming to be from the Federal Deposit Insurance Corporation to deliver a virus capable of stealing unsuspecting victims' bank passwords and other sensitive personal information, says a computer forensics specialist. Sat, 07 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/10/091027162009.htm http://www.sciencedaily.com/releases/2009/11/091103102246.htm The spread of malware, or computer viruses, is a growing problem that can lead to crashed computer systems, stolen personal information, and billions of dollars in lost productivity every year. One of the most insidious types of malware is a "rootkit," which can effectively hide the presence of other spyware or viruses from the user. But now researchers have devised a way to block rootkits and prevent them from taking over your computer systems. Tue, 03 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091103102246.htm http://www.sciencedaily.com/releases/2009/10/091031003511.htm What are the odds that your digital identity will be stolen by cyber criminals? Why do bank payment systems crash when everybody is trying to pay for Christmas gifts by credit card? Cyber criminals are everywhere. Now, help is just a click away. Researchers have developed a new, ultrafast digital signature scheme that is 17,000 times faster than current systems for verification, and 10,000 times faster in providing a digital signature. Sun, 01 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/10/091031003511.htm http://www.sciencedaily.com/releases/2009/10/091014102201.htm If the wife of FBI boss Robert Mueller has warned him not to use internet banking because of the threat of online fraud, then what hope is there for the average Joe? The results of research suggests that more of us are no longer entrusting our finances to virtual accounts. Mon, 19 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091014102201.htm http://www.sciencedaily.com/releases/2009/10/091013110053.htm Two decades ago, studies showed that computer users were violating best practices for setting up hack-proof passwords, and not much has changed since then. What's clear, say researchers , is that until human factors/ergonomics methods are applied to the problem, it isn't likely to go away. Wed, 14 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091013110053.htm http://www.sciencedaily.com/releases/2009/10/091005123050.htm The qubits that carry quantum information are typically fragile, but a new method of combing six photons leads to robust qubits that are immune to many of the effects that threaten to scramble quantum data. Sun, 11 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091005123050.htm http://www.sciencedaily.com/releases/2009/10/091008161900.htm Robots equipped with wireless and sensing capabilities are available for use in the home. But the safety and privacy risks of these devices are not yet adequately addressed, according to a new study. Fri, 09 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091008161900.htm http://www.sciencedaily.com/releases/2009/10/091007091748.htm Government agencies and other organizations planning to use WiMAX -- Worldwide Interoperability for Microwave Access -- networks can get technical advice on improving the security of their systems from a draft computer security guide prepared by NIST. Fri, 09 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091007091748.htm http://www.sciencedaily.com/releases/2009/10/091006173557.htm Just in time for October's Cyber Security Awareness Month, NIST has published a guide to help small businesses and organizations understand how to provide basic security for their information, systems and networks. Tue, 06 Oct 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091006173557.htm http://www.sciencedaily.com/releases/2009/09/090915101351.htm A new research project works out how to keep car-to-car data transmissions private and secure from malicious hackers. Mon, 28 Sep 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090915101351.htm http://www.sciencedaily.com/releases/2009/09/090918100012.htm Korean computer scientists have developed a security policy specification for home networks that could make us more secure from cyber attack in our homes. Sun, 20 Sep 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090918100012.htm http://www.sciencedaily.com/releases/2009/07/090730121212.htm Computer scientists are working to prevent quantum computers from compromising today's online security. Thu, 13 Aug 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090730121212.htm http://www.sciencedaily.com/releases/2009/08/090806141508.htm Raising prospects for building a practical quantum computer, physicists have demonstrated sustained, reliable information processing operations on electrically charged atoms (ions). The new work overcomes significant hurdles in scaling up ion-trapping technology from small demonstrations to larger quantum processors. Mon, 10 Aug 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090806141508.htm http://www.sciencedaily.com/releases/2009/07/090731085817.htm A system that allows biometric data to be used to create a secret key for data encryption has been developed by researchers in South Africa. Tue, 04 Aug 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090731085817.htm http://www.sciencedaily.com/releases/2009/07/090714165100.htm New research in imaging may lead to advancements for the Air Force in data encryption and wide-area photography with high resolution. Thu, 30 Jul 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090714165100.htm http://www.sciencedaily.com/releases/2009/07/090720080904.htm Scientists have figured out a key step toward the design of quantum information networks. A quantum network – in which memory devices that store quantum states are interconnected with quantum information processing devices – is a prototype for designing a quantum internet. Tue, 28 Jul 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090720080904.htm http://www.sciencedaily.com/releases/2009/07/090724212619.htm Fake Internet postcards circulating through e-mail inboxes worldwide are carrying links to the virus known as Zeus Bot, said a computer forensics expert. Zeus Bot has been named America's most pervasive computer Botnet virus by Network World magazine, reportedly infecting 3.6 million US computers. Sat, 25 Jul 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090724212619.htm http://www.sciencedaily.com/releases/2009/07/090721113309.htm Private information scattered all over the Internet and impossible to control. A new system, called Vanish, puts an expiry date on electronic text. Electronic communication sent using Vanish -- such as e-mail, Facebook posts and chat messages -- would have a brief lifetime and then self-destruct. Wed, 22 Jul 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090721113309.htm http://www.sciencedaily.com/releases/2009/07/090716164344.htm U.S. Department of Energy laboratories fight off millions of cyber attacks every year, but a near real-time dialogue between these labs about this hostile activity has never existed -- until now. Scientists have devised a program that allows for Cyber Security defense systems to communicate when attacked and transmit that information to cyber systems at other institutions in the hopes of strengthening the overall cyber security posture of the complex. Mon, 20 Jul 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090716164344.htm http://www.sciencedaily.com/releases/2009/07/090707111753.htm Physicists have overcome a hurdle in quantum computer development, having devised a viable way to manipulate a single "bit" in a quantum processor without disturbing the information stored in its neighbors. The approach, which makes novel use of polarized light to create "effective" magnetic fields, could bring the long-sought computers a step closer to reality. Tue, 07 Jul 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090707111753.htm http://www.sciencedaily.com/releases/2009/07/090706171509.htm Researchers have shown that public information readily gleaned from governmental sources, commercial data bases, or online social networks can be used to routinely predict most -- and sometimes all -- of an individual's nine-digit Social Security number. Tue, 07 Jul 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090706171509.htm http://www.sciencedaily.com/releases/2009/07/090702075921.htm Researchers from across Europe have united to build the largest quantum key distribution network ever built. The efforts of 41 research and industrial organizations were realized as secure, quantum encrypted information was sent over an eight node, mesh network. Fri, 03 Jul 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090702075921.htm http://www.sciencedaily.com/releases/2009/07/090701103004.htm A novel ion trap could usher in a new generation of applications, because the device holds promise as a stylus for sensing very small forces or for an interface for efficient transfer of individual light particles for quantum communications. Wed, 01 Jul 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090701103004.htm http://www.sciencedaily.com/releases/2009/06/090624152824.htm Physicists have found a way to drastically prolong the shelf life of quantum bits, the 0s and 1s of quantum computers. Thu, 25 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090624152824.htm http://www.sciencedaily.com/releases/2009/06/090615112219.htm Could an entirely new approach to online security, based on distributed sanctions, help prevent cybercrime, fraud and identity theft? A report in the International Journal of Intercultural Information Management suggests it could. Thu, 18 Jun 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090615112219.htm http://www.sciencedaily.com/releases/2009/06/090615152926.htm Technologies that exploit the unique weirdness of quantum mechanics could debut in the very near future, thanks to the groundbreaking work of a huge European research consortium. Tue, 16 Jun 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090615152926.htm http://www.sciencedaily.com/releases/2009/05/090529093155.htm Researchers have recently demonstrated a breakthrough in the quantum control of photons, the energy quanta of light. This is a significant result in quantum computation, and could eventually have implications in banking, drug design, and other applications. Sun, 31 May 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090529093155.htm http://www.sciencedaily.com/releases/2009/05/090521112719.htm A working definition for cloud computing -- a new computer technique with potential for achieving significant cost savings and information technology agility -- has been released by a team of computer security experts at the National Institute of Standards and Technology. Thu, 21 May 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090521112719.htm http://www.sciencedaily.com/releases/2009/04/090430065454.htm Quantum cryptography, a completely secure means of communication, is much closer to being used practically as researchers have now developed high speed detectors capable of receiving information with much higher key rates, thereby able to receive more information faster. Sat, 02 May 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090430065454.htm http://www.sciencedaily.com/releases/2009/04/090430101445.htm A forensics toolkit for the Xbox gaming console has been developed. The toolkit could allow law enforcement agencies to scour the inbuilt hard disk of such devices and find illicit hidden materials easily. Fri, 01 May 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090430101445.htm http://www.sciencedaily.com/releases/2009/04/090422132842.htm Researchers have demonstrated a technique for efficiently suppressing errors in quantum computers, an advance that could eventually make it much easier to build useful versions of these potentially powerful machines that, in theory, could solve important problems that are intractable using today's computers. Mon, 27 Apr 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090422132842.htm http://www.sciencedaily.com/releases/2009/04/090423105900.htm When an employee has so many complex passwords to remember that he keeps them on a sticky note attached to his computer screen, that could be a sign that your organization needs a wiser policy for passwords, one that balances risk and complexity. New guidelines for institution-wide password management issued by NIST could help. Thu, 23 Apr 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090423105900.htm http://www.sciencedaily.com/releases/2009/04/090408140217.htm Physicists have demonstrated a new ion trap that enables ions to go through an intersection at temperatures ten million times cooler than prior similar trips. The demonstration is a step toward scaling up trap technology to build a large-scale quantum computer using ions. Wed, 15 Apr 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090408140217.htm http://www.sciencedaily.com/releases/2009/04/090409151946.htm A new technology capable of reducing data leakage from integrated circuits during electronic transactions by up to 95% in comparison with conventional logic circuits has just been developed. Sat, 11 Apr 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090409151946.htm http://www.sciencedaily.com/releases/2009/02/090225151343.htm Telecommuting has freed many to work far from the confines of the office via laptop, but the price of working from a cafe table is the danger that a public network will not keep the data that passes through it safe. Now, to combat the risk inherent in remote access, NIST has updated its guide on maintaining data security while teleworking. Wed, 25 Feb 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/02/090225151343.htm http://www.sciencedaily.com/releases/2009/02/090205110609.htm One of the themes of Dan Brown’s The Da Vinci Code is the need to keep vital and sensitive information secure. Today, we take it for granted that most of our information is safe because it's encrypted. Every time we use a credit card, transfer money from our checking accounts -- or even chat on a cell phone -- our personal information is protected by a cryptographic system. But the development of quantum computers threatens to shatter the security of current cryptographic systems used by businesses and banks around the world. Scientists are now developing a system aimed to keep encryption safe from quantum computers. Fri, 06 Feb 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/02/090205110609.htm http://www.sciencedaily.com/releases/2009/01/090129090000.htm In order to achieve higher storage densities on computer disks, the last decades were dominated by optimization of magnetic materials, i.e. the magnetic particles (grains) were gradually shrunk while, at the same time, the magnetic stability (magnetic anisotropy) was increased. Usually, about 100 to 600 grains form one bit, i.e. currently the smallest storage unit. Tue, 03 Feb 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/01/090129090000.htm http://www.sciencedaily.com/releases/2009/01/090122141137.htm For the first time, scientists have successfully teleported information between two separate atoms in unconnected enclosures a meter apart – a significant milestone in the global quest for practical quantum information processing. Teleportation may be nature's most mysterious form of transport: Quantum information, such as the spin of a particle or the polarization of a photon, is transferred from one place to another, without traveling through any physical medium. Fri, 23 Jan 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/01/090122141137.htm http://www.sciencedaily.com/releases/2009/01/090113174619.htm A new draft guide on protecting personally identifiable information such as social-security and credit-card account numbers from unauthorized use and disclosure. Wed, 14 Jan 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/01/090113174619.htm http://www.sciencedaily.com/releases/2008/12/081231005357.htm Independent security researchers have found a weakness in the Internet digital certificate infrastructure that allows attackers to forge certificates that are fully trusted by all commonly used web browsers. Thu, 01 Jan 2009 20:00:00 EST http://www.sciencedaily.com/releases/2008/12/081231005357.htm http://www.sciencedaily.com/releases/2008/12/081222100700.htm The ability to exploit the extraordinary properties of quantum mechanics in novel applications, such as a new generation of super-fast computers, has come closer following recent progress with some of the remaining underlying mathematical problems. Tue, 23 Dec 2008 14:00:00 EST http://www.sciencedaily.com/releases/2008/12/081222100700.htm http://www.sciencedaily.com/releases/2008/12/081223145620.htm Electronic technologies could be deployed immediately and reliably to augment slower postal mail for distributing ballots to US citizens living abroad, but using telephone, e-mail, and the Web to transmit completed ballots still faces significant, unresolved issues, according a new report. Tue, 23 Dec 2008 00:00:00 EST http://www.sciencedaily.com/releases/2008/12/081223145620.htm http://www.sciencedaily.com/releases/2008/12/081204074806.htm Every time you use a credit card, access your bank account online or send secure email cryptography comes into play. But as computers become more powerful, network speeds increase and data storage grows, the current methods of protecting information are being challenged. Mon, 15 Dec 2008 05:00:00 EST http://www.sciencedaily.com/releases/2008/12/081204074806.htm