😬 "This works similar to a normal camera, the difference being that in our case, radio waves instead of light waves are used for the recognition," explains the cybersecurity expert. "Thus, it does not matter whether you carry a WiFi device on you or not."
Ordinary WiFi can now identify people with near perfect accuracy
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, resea...
sciencedaily.com