Eavesdropping on Phone Conversations Through Vibrations – Schneier on Security

Eavesdropping on Phone Conversations Through Vibrations

Researchers have managed to eavesdrop on cell phone voice conversations by using radar to detect vibrations. It’s more a proof of concept than anything else. The radar detector is only ten feet away, the setup is stylized, and accuracy is poor. But it’s a start.

Tags: academic papers, AI, cell phones, eavesdropping

Posted on August 18, 2025 at 7:02 AM •
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