Researchers sniff PC keyboard strokes from thin air

Computer World:

March 12, 2009 (IDG News Service) That PC keyboard you’re using may be giving away your passwords. Researchers say they’ve discovered new ways to read what you’re typing by aiming special wireless or laser equipment at the keyboard or by simply plugging into a nearby electrical socket.

Two separate research teams, from the Ecole Polytechnique Federale de Lausanne and security consultancy Inverse Path, have taken a close look at the electromagnetic radiation that is generated every time a computer keyboard is tapped. It turns out that this keystroke radiation is actually pretty easy to capture and decode — if you’re a computer hacker-type, that is.

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