At &Amp; T Breach 2024. At&t says calls and text message records for tens of millions of the phone service provider's customers were exposed in a massive data breach two years ago. By contrast, saturday's much larger breach.

At&t said friday that data was breached from “nearly all” of its cellular customers and the customers of wireless providers that used its network between may 1, 2022, and. The disclosure comes a week after a seller on a known cybercrime forum, seen by techcrunch, claimed in a post on july.