Synesthesia: Detecting Screen Content via Remote Acoustic Side Channels
IEEE Symposium on Security and Privacy, Volume abs/1809.02629, 2019, Pages 853-869.
We show that subtle acoustic noises emanating from within computer screens can be used to detect the content displayed on the screens. This sound can be picked up by ordinary microphones built into webcams or screens, and is inadvertently transmitted to other parties, e.g., during a videoconference call or archived recordings. It can also...More
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