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

You have more flexibility using this software than with other apps too, thanks to the many additional features, such as the document shredder and virtual keyboard. Not only can you encrypt files and upload them into a cloud service, such as Dropbox or even Google Drive, you have the option of using Folder Lock's own cloud support ; however, you need to subscribe to the service, which is an added cost.Secure IT proved to be a leading contender in file encryption too.

An installation wizard makes setup easy, and you receive tips that will help you learn the program in little bites each time you begin the app. Secure IT also compresses files better than many of its rivals, which means you can save space when you lock your files away.Kruptos 2 Pro kicks you off with a help guide instantly after installation, so that you can quickly learn how to use it.

It is a subscription, however, so you have to renew your license each year with this software.SafeHouse Personal Edition makes encrypting files a cinch you simply drag and drop your files into a volume where they are instantly encrypted. It functions like a hard drive, but virtually. You have to remember to close the volume, though, because otherwise your files remain open and vulnerable to anyone who uses your computer.The proper encryption applications 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 which 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 assault, which was reported to applications developers before it was advertised, took advantage of programming which was, ironically, designed to provide better security. The attack utilized intercepted electromagnetic signals in the phones that might have been analyzed using a small portable device costing less than a thousand bucks. Unlike previously intercept attempts that demanded analyzing many logins, the"One & Done" assault was carried out by eavesdropping on just one decryption cycle. .

"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' much more realistic," said Milos Prvulovic, associate chair of Georgia Tech's School of Computer Science. "The designers of encryption software now have another issue that they need to take into account because continuous snooping over long periods of time would no longer be required to steal this information." .

The side channel attack is believed to be the first to regain the secret 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 secure interactions on websites and for signature authentication. The attack revealed a single recording of a cryptography key hint was sufficient to violate 2048 pieces of a private RSA key. .

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Results of the research, that 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 at the 27th USENIX Security Symposium August 16th in Baltimore.

After effectively attacking the phones and an embedded system board -- that all used ARM processors -- from this source the researchers 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 action within computing apparatus during normal operation. The signals include electromagnetic emanations made by current flows within the apparatus computational and power-delivery circuitry, variation in electricity consumption, and also sound, temperature and chassis potential variation. These emanations are extremely different from communications signals the apparatus are designed to produce. .

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 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' chip clock frequencies, that can be close to 1 GHz (1,000 MHz). The investigators took advantage of a uniformity in programming which had been designed to conquer sooner vulnerabilities involving variations in how the programs operate. .