Scientists in Germany have demonstrated a startling new form of surveillance: identifying people using nothing more than ordinary WiFi signals. By analyzing how radio waves bounce around a room, researchers can effectively “see” and recognize individuals — even if they are not carrying a device and even if their phone is turned off.

The reason the FCC is only allowing the sale of state approved routers in the US?

  • cmnybo@discuss.tchncs.deEnglish
    6·
    22 days ago

    The Faraday cage will keep the WiFi signals inside the building. Nobody will be able to track you from outside and your own trusted devices will work fine inside. Just don’t bring any untrusted WiFi devices inside the Faraday cage.

    • ChexMax@lemmy.worldEnglish
      1·
      21 days ago

      Wouldn’t that mean no one can visit your home, though? Or if they did, that they’d have to leave their cells/ tablets outside?