Keyboard sniffers steal data without touching your computer

Computer criminals could soon be eavesdropping on what you type by analysing the electromagnetic signals produced by every key press.

By analysing the signals produced by keystrokes, Swiss researchers have reproduced what a target typed. They have developed four attacks that work on a wide variety of computer keyboards.

The results led the researchers to declare keyboards were “not safe to transmit sensitive information”.

In their work the researchers used a radio antenna to “fully or partially recover keystrokes” by spotting the electromagnetic radiation emitted when keys were pressed.

Details of the attacks are scant but the work is expected to be reported in a peer-reviewed journal soon.

That last link takes you to their website.

Looks like the really paranoid will have to work from inside a Faraday Cage. Come to think of it, doesn’t the U.S. military already do that?

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