A Monitor’s Ultrasonic Sounds Can Reveal What’s on the Screen
A Monitor’s Ultrasonic Sounds Can Reveal What’s on the Screen
Security, Spoken · SpokenLayer
August 24, 20188m 14s
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Show Notes
You probably assume that someone can only see what's on your computer screen by looking at it. But a team of researchers has found that they can glean a surprising amount of information about what a monitor displays by listening to and analyzing the unintended, ultrasonic sounds it emits.
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