In what appears to be a heinous oversight, Comcast set the default PIN code for all Xfinity Mobile customer accounts to "0000," opening the door to phone number hijacking and, in some cases ...

PITTSBURGH (KDKA) – Comcast Xfinity is now officially offering cell phone service. The traditional cable TV and home internet provider is jumping in with an offer meant to catch your eye and ...

We've tested and reviewed products since 1936. Read CR's review of the Xfinity Mobile cell phone service to find out if it's worth it.

As a customer of Comcast's Xfinity Mobile phone service, Whitted says someone was able to hijack his phone number, port it to a new account on another network and commit identity fraud.

The customer-service turning point for Comcast seems to stem from a July 14, 2014, phone call that went viral. Frustrated customer Ryan Block posted online eight minutes of a call in which he ...