In 2019, AT&T experienced a data leak impacting around 70 million current and former customers. The leak included personal details like names, addresses, phone numbers, birth dates, social security numbers, and passcodes.

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Responding to the issue, AT&T has reset passcodes for 7.6 million current customers. This measure is one of several taken by the company to address the breach. Despite the data being encrypted, there were concerns about the security of these passcodes.

AT&T has launched an investigation with cybersecurity experts to better understand the recent data leak. The information appears to be from 2019 or earlier. AT&T has stated that there is no evidence of unauthorized access to its systems resulting from the incident.

To help those affected, AT&T is offering credit monitoring services. They’ve also set up a special webpage providing customers with information on how to keep their accounts safe.

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