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

By PulseAugur Editorial · Summary by gemini-2.5-flash-lite from 2 sources

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

Summary written by gemini-2.5-flash-lite from 2 sources. How we write summaries →

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 →

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

COVERAGE [2]

  1. Tom's Hardware TIER_1 · 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 · [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…

    LINKS tomshardware.com/…/researchers-identify-p… tomshardware.com/tech-industry

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