The cable and internet provider may have something that AT&T, Verizon, and T-Mobile subscribers have to consider.

Comcast’s Xfinity Mobile endeavor is fraught with risk in a competitive and price-sensitive market led by big incumbents like Verizon, AT&T, T-Mobile US and Sprint.

DON’T BLAME US: That was Comcast’s message after account information for 200,000 customers was put up for sale on a shadowy Web site. Now, the company is planning to reset password information ...

Comcast Corp. announced Thursday it plans to buy a majority stake in NBC Universal for $13.75 billion, giving the nation’s largest cable TV operator control of the Peacock network, an array of ...