Your Xfinity Wi-Fi can see you now

When you purchase through links in our articles, we may earn a small commission. Arguably, Xfinity customers will be those most tracked if they turn on this "home protection" feature. Comcast wants to be your free security company. Called "Wi-Fi Motion," this feature is part of the corporation's Xfinity Wi-Fi Shield service, which combines tools for combating cybersecurity and residential threats with parental controls. Wi-Fi Motion specifically monitors Wi-Fi interference to determine the presence and movement of people in a home.