Synesthesia - Detecting Screen Content via Remote Acoustic Side Channels

Explore a groundbreaking security presentation from the 2019 IEEE Symposium on Security & Privacy that reveals how subtle acoustic noises from computer screens can be exploited to detect displayed content. Discover how ordinary microphones in webcams, screens, smartphones, and smart speakers can inadvertently capture these sounds, potentially compromising privacy during videoconference calls or archived recordings. Learn about various attack scenarios, including real-time detection of on-screen text, user input on virtual keyboards, and even the ability to infer web browsing activity during video calls. Gain insights into this novel acoustic side channel and its implications for screen content security.