Earlier quoted context omitted.
Well, given that you can install a keylogger on the usb keyboard nowadays, it is - even with encrypted harddrives. Or you can freeze the RAM, remove it and read the encryption key. However, encryption makes things quite a bit harder.
Are there seriously examples of the RAM-freezing working, or is this a theoretical attack?
[1] http://www.zdnet.com/blog/security/cryogenically-frozen-ram-...
[2] https://freedom-to-tinker.com/blog/felten/new-research-resul...