“Acoustic Cryptanalysis”: Side-Channel Hacking Has Gone Horribly Bad

If you haven’t heard the news, researchers at Tel Aviv University (some of which were the original creators of RSA), have figured out how to obtain vital encryption keys from a computer using off-the-shelf hardware and cellphones… and do it all simply by the sounds your computer makes as it processes those keys!

Read more here: http://thehackernews.com/2013/12/acoustic-cryptanalysis-extracting-rsa.html

For more details on exactly what they did, take a look at this write-up: http://nakedsecurity.sophos.com/2013/12/19/the-sound-made-by-your-computer-could-give-away-your-encryption-keys/