Gizmodo - USA
The method for intercepting signals involves detecting the full spectrum of electromagnetic radiation emitted by a keyboard (which are unshielded to keep ...
http://gizmodo.com/5066156/electromagnetic-scanners-can-detect-what-youre-typing-right-now
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Keyboard sniffers to steal data
Screengrab of EPFL video, EPFL
The attacks were shown to work at a distance of 20 metres
Computer criminals could soon be eavesdropping on what you type by analysing the electromagnetic signals produced by every key press.
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http://news.bbc.co.uk/2/hi/technology/7681534.stm