Comcast Turns Millions of Xfinity Routers into Wi-Fi Motion Detectors With Privacy Catch

Comcast has activated a novel software feature across millions of its modern Xfinity gateway routers, utilizing Wi-Fi signal disruption patterns to detect physical movement inside customer homes without dedicated camera hardware.

Ambient Sensing Technology: How Wi-Fi Wave Disruptions Track Human Movement

The technology analyzes minor fluctuations in radio frequency signals caused by human body movement, offering home security and elder-care tracking capabilities directly through existing ISP hardware.

Opt-Out Settings, Data Telemetry, and Subscriber Privacy Concerns

Privacy advocates are sounding alarms over default opt-in telemetry collection, urging Comcast to clarify how motion spatial logs are stored, encrypted, and processed.