Sniffing keystrokes via laser and keyboard power

[Juha-Matti Laurio <juha-matti.laurio () netti fi>]

This new technique was mentioned on the list before CanSecWest:
http://linuxbox.org/pipermail/funsec/2009-February/019657.html

And this is the technique:

"Presenters at the CanSecWest security conference detailed [on Thursday] how they can sniff data by analyzing keystroke 
vibrations
using a laser trained on a shiny laptop or through electrical signals coming from a PC connected
to a PS/2 keyboard and plugged into a socket.

Using equipment costing about $80, researchers from Inverse Path were able to point a laser on the reflective surface
of a laptop between 50 feet and 100 feet away and determine what letters were typed."
--clip--

http://news.cnet.com/8301-1009_3-10200631-83.html

Juha-Matti
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