Comcast turns your Xfinity WiFi into a home motion detector

Comcast is promoting WiFi-based motion detection as a part of its new Xfinity Shield home protection platform, allowing routers and wireless devices to detect people moving through a home without cameras or motion sensors. [...]

source https://www.bleepingcomputer.com/news/security/comcast-turns-your-xfinity-wifi-into-a-home-motion-detector/