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AT&T has recently begun to notify millions of customers about personal data theft that has been discovered online.
AT&T announced on the 30th (local time) that sets of data found on the dark web include personal information such as the social security numbers of about 76 million current AT&T account owners and about 65.4 million previous account owners.
AT&T has already reset the passwords of current users and stated that they will communicate with account owners whose sensitive personal information has been compromised.
According to the statement, the compromised data, which is from periods earlier than 2019, may include email addresses, mailing addresses, phone numbers, and birthdates, in addition to passwords and social security numbers. However, it does not include financial information or call logs.
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Cybersecurity researcher Troy Hunt said, “The data that surfaced on hacking forums almost two weeks ago is very similar to the data leak in 2021, which AT&T never acknowledged.”
He added, “If they evaluated this and made a wrong judgment not to notify affected customers, the company is likely to face a class-action lawsuit soon.”
AT&T experienced a blackout last February that temporarily disrupted mobile phone services for thousands of American users. At the time, AT&T attributed the incident to a technical coding error rather than a malicious attack.
On the other hand, an AT&T spokesperson did not respond to a request for confirmation.
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