Lend Me Your Ear: Passive Remote Physical Side Channels on PCs
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Presented at USENIX Security 2022 by
We show that built-in sensors in commodity PCs, such as microphones, inadvertently capture electromagnetic side-channel leakage from ongoing computation. Moreover, this information is often conveyed by supposedly-benign channels such as audio recordings and common Voice-over-IP applications, even after lossy compression.