AT&T Breaches Exposed Customer Data and Call Records at Massive Scale

AT&T disclosed multiple major security incidents affecting tens of millions of customers. In one breach, data tied to about 51 million people was acknowledged after customer records appeared online, prompting the company to reset account passcodes for millions of users. Reporting indicated the leaked information included personal customer details, raising concerns about account takeover and fraud exposure for current and former subscribers.

AT&T later revealed a separate, far broader compromise involving call and text metadata for nearly all AT&T cellular customers. The exposed records reportedly covered who customers communicated with and when interactions occurred, though not the content of calls or messages. Together, the incidents underscored the scale of AT&T's data security problems, spanning both subscriber account information and highly sensitive telecommunications metadata.