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This scary AI recognizes passwords by the sound of your typing (www.pcworld.com)

submitted 11 months ago by L4s@lemmy.world to c/technology@lemmy.world

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This scary AI recognizes passwords by the sound of your typing::British researchers have trained an artificial intelligence to recognize keystrokes by sound. A smartphone placed near a laptop served as the microphone.

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[–] Rentlar@lemmy.ca 3 points 11 months ago* (last edited 11 months ago)

Try this: on any keyboard (a membrane keyboard especially if you have one) try quickly tapping one key 3 times and then another key 3 times. Move around the keyboard or alternate between two letters.

Can you hear that they make different sounds, but typing the same letter has roughly the same sound? The" plok" has a higher or lower pitch (frequency is the scientific word for it), and a trained AI can match that pitch to a letter if it has or can get an idea of what corresponds to what.