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Keyboard sniffers toral steal dat a
in videos showing their early work the researchers are seen connecting keyboards to a laptop running on battery power .
the security researchers have developed four attacks that work on a wide variety of computer keyboards .
the research builds on earlier work done by university of cambridge computer scientist markus kuhn who looked attack ways to use electromagnetic emanations to eavesdrop and steal useful information .
computer criminals could soon be eavesdropping on what you type by analysing the electromagnectic signals produced by every key press .