Last year Comcast announced a new initiative where they would be turning users home routers into public hotspots. This initiative was met with much criticism and now a pair of Comcast customers are suing the company says that this initiative poses risks to subscribers.
Comcast is currently the largest internet service provider in the United States. They want to add a second WiFi signal to your Xfinity modem so other Comcast subscribers may access the internet when they are away from home and near your gateway. Basically Comcast will to transforming all of their customers home modems into public WiFi spots.