Comcast Xfinity Wants to Use Your Wi-Fi as a Motion Sensor in Your Home – CNET0

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• August 20, 2026

Comcast on Monday announced Xfinity Shield, a home-security platform that taps into Xfinity Wi-Fi in new ways. It adds WiFi Motion, which uses compatible Xfinity Wi-Fi routers to detect movement in the home without cameras or dedicated motion sensors. WiFi Motion and other Shield features are available at no additional cost to eligible Xfinity customers,