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These are barebones programs that permit you to protect your documents, and that's it. You won't find a document shredder, a password generator or a password strength meter. Also, these encryption solutions, although viable, are somewhat less intuitive than their paid counterparts. The paid versions walk you through every step and give you access to easy-to-read aid files and tutorials.So, if you are comfortable with certificates and keys to encrypt files, BitLocker can work well for you.

You have more flexibility with this application than with other programs also, thanks to the many additional features, such as the file shredder and digital keyboard. Not only can you encrypt files and upload them into a cloud service, like Dropbox or even Google Drive, you have the option of using Folder Lock's own cloud hosting service; however, you need to subscribe to this service, that is an extra cost.Secure IT proved to be a top contender in document encryption too.

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

It's a subscription, though, which means you must renew your license each year with this software.SafeHouse Personal Edition makes encrypting files a breeze you just drag and drop your files into a volume in which they are instantly encrypted. It works just like a hard drive, but virtually. You have to remember to shut the volume, though, because otherwise your files remain open and vulnerable to anyone who uses your computer.The proper 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 popular security package by briefly listening in on unintended"side channel" signals from smartphones.

The attack, that was reported to applications developers before it had been advertised, took advantage of programming that was, ironically, designed to offer better safety. The assault utilized intercepted electromagnetic signals from the phones that might have been analyzed using a small mobile device costing less than a thousand bucks. Unlike previously intercept efforts that required analyzing many logins, the"One & Done" attack was carried out by eavesdropping on just one decryption cycle. . Source

"This is something that can be done at an airport to steal people's information without arousing suspicion and makes that the so-called'coffee shop attack' more realistic," said Milos Prvulovic, associate chair of Georgia Tech's School of Computer Science. "The designers of encryption applications now have another problem they need to take into account because continuous snooping long intervals would no longer be required 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 a single recording of a cryptography key trace was sufficient to break 2048 bits of a private RSA key. .

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Results of this study, which was encouraged in part by the National Science Foundation, the Defense Advanced Research Projects Agency (DARPA), and the Air Force Research Laboratory (AFRL) will be presented in the 27th USENIX Security Symposium August 16th in Baltimore.

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

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

In their demonstration, Prvulovic and collaborator Alenka Zajic listened in on two different Android phones using probes located near, but not touching the devices. In a real attack, signals could be obtained 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' chip clock frequencies, that are near to 1 GHz (1,000 MHz). The investigators took advantage of a uniformity in programming that had been designed to overcome sooner vulnerabilities involving variations in how the programs operate. .