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'This technology turns every router into a potential means for surveillance': Report claims Wi-Fi devices could 'quietly identify' people with nearly 100% accuracy
Researchers have demonstrated that standard Wi-Fi routers can identify individuals with nearly 100% accuracy by analyzing how their bodies disrupt wireless signals. Tested on 197 people, the technique requires no cameras or wearables. Privacy advocates warn this could enable covert mass surveillance through existing infrastructure, as virtually any Wi-Fi network could potentially be used to silently identify people.