Att Email Hacked 2024 Update. The data was breached from “nearly all” of at&t’s cellular customers and the customers of wireless providers that used its network between may 1, 2022, and october 31,. The seller claimed the data came from the.

At&t said it will contact affected customers by text, email or u.s. Phone giant at&t has reset millions of customer account passcodes after a huge cache of data containing at&t customer records was dumped online earlier this month,.