AT&T Data Leak of 73M Customers - What To Do

According to an AT&T support article, the carrier is contacting all 7.6 million affected current customers to reset their passcodes (and about 65.4M former customers). Additionally, AT&T will reach out to both current and former account holders whose sensitive personal information has been compromised. The leaked information varied among customers but included full names, email addresses, mailing addresses, phone numbers, Social Security numbers, dates of birth, AT&T account numbers, and passcodes. Wow.

This began in 2021 by a user named ShinyHunters. On March 17, 2024, another threat actor known as “MajorNelson” released the entire database on a hacking forum at no cost, confirming that it was the same one obtained during ShinyHunters’ attack. Once again, AT&T informed a source that the leaked data did not originate from their systems and that there were no indications of a breach.

However, after an internal investigation, the telecommunications company eventually acknowledged on March 30, 2024, that the exposed data pertained to 7.6 million current AT&T account holders and around 65.4 million former account holders. Gotta love when companies don’t take the blame.

The main action to take here is changing your passwords if you haven’t, any PIN numbers, e-mail addresses, etc.

ATT

  • Image from FastCompany, edited by GoNomad site admin.
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