68
AT&T says leaked data of 70 million people is not from its systems
(www.bleepingcomputer.com)
Information about data breaches, data leaks, ransomware attacks, and other related stories.
They don't even have to have sold any data at all. A ton of things handling CPNI that are operated by carriers are directly controlled by third party companies. Including purpose built systems used only by the carrier, but operated and maintained by a third party contract.