AT&T Notifies Millions of Customers After Data Breach Exposes Personal Information

TL;DR Summary
AT&T is notifying millions of customers about a data breach after discovering a dataset containing personal information, including social security numbers, for both current and former account holders on the "dark web". The company has reset passcodes for current users and is reaching out to affected account holders. The compromised data, from 2019 or earlier, does not appear to include financial information or call history, and it is unclear whether it originated from AT&T or one of its vendors. This comes after a February outage that affected thousands of US users, which AT&T attributed to a technical coding error.
- US telecoms firm AT&T notifying millions of customers over data breach The Guardian
- AT&T says personal data from 73 million current and former account holders leaked onto dark web CNN
- AT&T data breach leaks info of 7.6M customers to dark web NPR
- AT&T Resets Millions of Passcodes After Customer Records Are Leaked The New York Times
- AT&T investigating leak that dumped millions of customers' data on dark web NBC News
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