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AT&T notifies customers of data breach involving social security numbers

The Guardian — March 31, 2024, 06:00 AM UTC

Summary: AT&T is notifying millions of customers about a data breach involving 7.6 million current and 65.4 million former account holders' social security numbers. The stolen data, from 2019 or earlier, includes personal information but not financial details. Passcodes have been reset for current users. The breach's origin is unknown. This incident follows a February outage affecting thousands of US users due to a technical error.

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Timeline:

[6.4]
AT&T data breach affects millions, prompting security measures (The Associated Press)
160d 0h
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[6.3]
AT&T data leak affects 73 million people, offers monitoring (The Dallas Morning News)
160d 1h
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[5.4]
AT&T notifies customers of personal data theft online (Castanet.net)
160d 21h
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[6.4]
AT&T data leak affects 73 million accounts, cybersecurity investigation (The Washington Post)
161d 2h
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[6.4]
AT&T confirms data leak affecting millions of customers (The Verge)
161d 5h
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[5.8]
AT&T investigating data breach affecting millions, reassuring no impact (CNBC)
161d 6h
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[3.8]
AT&T resets passcodes for millions after data leak (Daily Mail)
161d 6h
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