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All these are barebones programs that allow you to safeguard your files, and that is it. You won't find a document shredder, a password generator or a password strength meter. Also, these encryption solutions, while viable, are somewhat less intuitive than their paid counterparts. The paid versions walk you through each step and give you access to easy-to-read help files and tutorials.So, if you're familiar with certificates and keys to encrypt documents, BitLocker can work well for you.

You have more flexibility using this application than with other apps also, thanks to the many added features, such as the file shredder and digital keyboard. Not only can you encrypt files and upload them to a cloud service, such as Dropbox or even Google Drive, you have the option of using Folder Lock's own cloud hosting servicenevertheless, you need to subscribe to the service, which is an added cost.Secure IT was shown to be a leading contender in file encryption too.

An installation wizard makes installation simple, and you receive suggestions that will assist you learn the program in little bites whenever you start up the app. Secure IT also compresses files better than many of its competitors, so that you can conserve space when you lock your files away.Kruptos 2 Guru kicks you off with a help guide immediately after installation, so you can quickly learn how to use it.

It's a subscription, however, so you must renew your license annually with this software.SafeHouse Personal Edition makes encrypting files a breeze you simply drag and drop your files into a volume where they are instantly encrypted. It works just like a hard disk, but almost. You have to remember to close the volume, though, because your documents remain open and vulnerable to anyone who uses your computer.The right encryption software for you depends on what you need.

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Cybersecurity researchers at the Georgia Institute of Technology have helped close a security vulnerability that could have allowed hackers to steal encryption keys by a favorite security package by briefly listening in on unintended"side channel" signals from smartphones.

The attack, which was reported to applications developers before it was advertised, took advantage of programming which was, ironically, designed to provide better security. The attack used intercepted electromagnetic signals from the phones that might have been analyzed using a tiny portable device costing less than a thousand bucks. Unlike earlier intercept attempts that demanded analyzing many logins, the"One & Done" assault was carried out by eavesdropping on just one decryption cycle. .

"This is something which can be done at an airport to steal people's information without arousing suspicion and makes that the so-called'coffee shop strike' more realistic," said Milos Prvulovic, associate chair of Georgia Tech's School of Computer Science. "The designers of encryption software now have another problem they need to take into account because continuous snooping over long periods of time would no longer be asked to steal this information." .

The side channel attack is believed to be the first to regain the key exponent of an encryption key in a modern version of OpenSSL without relying on the cache organization and/or timing. OpenSSL is a popular encryption program used for protected interactions on sites and for signature authentication. The attack showed that a single recording of a cryptography key trace was sufficient to violate 2048 bits of a private RSA key. .

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Outcomes of the research, that was supported in part by the National Science Foundation, the Defense Advanced Research Projects Agency (DARPA), and the Air Force Research Laboratory (AFRL) will be presented at the 27th USENIX Security Symposium August 16th in Baltimore.

After successfully attacking the phones and an embedded system board -- that used ARM processors -- the researchers proposed a fix for the vulnerability, which was embraced in versions of the software made available in May.

Side channel attacks extract sensitive information from signals created by electronic action within computing devices during normal operation. The signals include electromagnetic emanations created by current flows within the devices computational and power-delivery circuitry, variation in power consumption, and also sound, temperature and chassis potential variation. These emanations are very different from communications signals the apparatus are designed to create. .

In their demonstration, Prvulovic and collaborator Alenka Zajic listened in check it out on two different Android phones using probes located near, but not touching the apparatus. In a real attack, signals could be received from phones or other mobile devices by antennas found beneath tables or hidden in nearby furniture.

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The"One & Done" attack analyzed signals in a relatively narrow (40 MHz wide) band around the phones' processor clock frequencies, which can be near to 1 GHz (1,000 MHz). The researchers took advantage of a uniformity in programming which had been designed to overcome sooner vulnerabilities involving variations in how the programs operate. .