This short article kind of fascinating. I'm wondering how long it will take for this trick to make its way into a movie.
All it takes is a can of air and some know-how to unlock the contents of a laptop computer’s memory, even if the data were sealed with encrypted techniques. That’s the argument made by researchers at Princeton University in a paper released this week on the Web site of the university’s Center for Information Technology Policy.
Wired Campus: With a Can of Air, Hackers Can Steal Encrypted Data From Laptops - Chronicle.com