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Wi-Fi routers can identify people with 99.5% accuracy using beamforming data

Security researchers have developed a new technique called BFId that can identify individuals using standard Wi-Fi routers with 99.5% accuracy. This method exploits unencrypted beamforming feedback information (BFI) broadcast by Wi-Fi devices, requiring no access to the network and working even if the person has no wireless device. The researchers highlight that this technology, while powerful, poses significant privacy risks and advocate for stronger safeguards before Wi-Fi sensing becomes widely adopted. AI

IMPACT Raises privacy concerns and highlights the need for safeguards in emerging Wi-Fi sensing technologies.

RANK_REASON Academic research paper detailing a new technique with potential privacy implications. [lever_c_demoted from research: ic=2 ai=0.4]

Read on Tom's Hardware →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Wi-Fi routers can identify people with 99.5% accuracy using beamforming data

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Academic research paper detailing a new technique with potential privacy implications. [lever_c_demoted from research: ic=2 ai=0.4]
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COVERAGE [2]

  1. Tom's Hardware TIER_1 English(EN) · Luke James ·

    Researchers identify people through ordinary Wi-Fi routers with 99.5% accuracy — technique works with standard Wi-Fi routers

    The system requires no specialized hardware, no access to the target Wi-Fi network, and works even if the person being tracked isn't carrying a wireless device.

  2. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    Researchers identify people through ordinary Wi-Fi routers with 99.5% accuracy — technique works with standard Wi-Fi routers The system requires no specialized

    Researchers identify people through ordinary Wi-Fi routers with 99.5% accuracy — technique works with standard Wi-Fi routers The system requires no specialized hardware, no access to the target Wi-Fi network, and works even if the person being tracked isn't carrying a wireless de…