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September 25, 2005

Keystrokes Reveal Passwords to Researchers

BERKELEY, Calif. - If spyware and key-logging software weren't a big enough threat to privacy, researchers have figured out a way to eavesdrop on your computer simply by listening to the clicks and clacks of the keyboard.

Those seemingly random noises, when processed by a computer, were translated with up to 96 percent accuracy, according to researchers at the University of California, Berkeley.

"It's a form of acoustical spying that should raise red flags among computer security and privacy experts," said Doug Tygar, a Berkeley computer science professor and the study's principal investigator.

Researchers used several 10-minute audio recordings of people typing away at their keyboards. They fed the recordings into a computer that used an algorithm to detect subtle differences in the sound as each letter is struck.

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September 25, 2005 in Web/Tech | Permalink


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