If you use a wireless Comcast router, there’s a very good chance that it’s functioning as a public hotspot for any Comcast customer wandering by. It needn’t be that way — I’ve got instructions for ...

Comcast customer Ronaldo Boschulte didn’t know exactly what he was getting when the company swapped his malfunctioning modem for a new one. The cable modem doubles as a Wi-Fi router—that much he was ...

Each month, when your Comcast bill comes due, many of you pay a monthly fee for the device that provides internet access in your homes. Rental for what’s known as the Xfinity Gateway typically runs ...