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AT&T confirms data breach and resets millions of customer passcodes
Millions of current and former customers are affected.
The passcodes are typically four-digit numerical PINs used for account security on phone calls with company support or in-store verification and a security researcher’s analysis revealed that it was “easy to decipher” the passcodes. This FAQ says customers can set up free fraud alerts from credit bureaus Equifax, Experian, and TransUnion. According to AT&T, the data set “appears to be from 2019 or earlier and does not contain personal financial information or call history.” The company says it’s working with “external cybersecurity experts to analyze the situation,” and that so far it has no “evidence of authorized access” to its systems.
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