Based on the company's first investigation of the matter, AT&T reported on March 30 that a data set made available on the "dark web" around two weeks ago has affected roughly 7.6 million current account holders and 65.4 million past account holders. It looks like the data set is from 2019 or before. It declared that it lacked proof of any unauthorised access to its systems as a result of the event.
As per the company statement, it has recently discovered a dataset on the “dark web” contained information for about 7.6 million current AT&T account holders and 65.4 million former users, totalling about 73 million affected accounts.
The company also said that it is not clear that the breach “originated from AT&T or one of its vendors”.
“To the best of our knowledge, the compromised data appears to be from 2019 or earlier and does not contain personal financial information or call history,” the company added.
The company is in touch with the entire 7.6 million existing account holders whose personal information was compromised. AT&T has already reset the passcodes and was investigating the incident.
The hacked data may include passcodes, SSNs (Social Security numbers), email and mailing addresses, phone numbers and birth dates.
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