New InjectEave Attack Allows Hackers to Recover Audio Playing on Headphones from 30 Meters

Researchers have unveiled a novel electromagnetic (EM) attack called InjectEave that lets an adversary eavesdrop on audio playing through wired and wireless headphones from as far as 30 meters away, even through walls, using nothing more than commercially available radio-frequency equipment. The technique, developed by a team from the Hong Kong University of Science and Technology (Guangzhou) and the Hong Kong Polytechnic University, was published as “Injected and Leaked: Actively Inducing Side-Channel Leakage Using Electromagnetic Injection and Hardware Nonlinearity,” accepted at USENIX Security ’26. InjectEave Attack Recovers Headphone Audio From 30 Meters Unlike traditional EM side-channel attacks, which...

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