2024-03-30 19:35:00
New York (CNN) — AT&T has launched an investigation into the origin of a data breach that includes personal information of 73 million current and former customers in the United States.
In a Saturday morning press release, the telecommunications giant said the data was “published on the dark web approximately two weeks ago” and contains information such as account holders’ Social Security numbers.
“It is not yet known whether the data…originated from AT&T or one of its providers,” the company added. “AT&T currently has no evidence of unauthorized access to its systems that resulted in the exfiltration of the data set.”
The data appears to have been from 2019 or earlier. According to AT&T, the leak does not appear to contain financial information or specific details regarding call history. The company said the breach shows that approximately 7.6 million current account holders and 65.4 million former account holders were affected.
AT&T said it is contacting customers and asking them to reset their account passwords. It also urges customers to remain alert for changes to their accounts or credit reports, adding that AT&T “will provide credit monitoring at our expense when appropriate.”
The company was alerted to a possible leak regarding two weeks ago. News of the leak was first posted by the X vx-underground account on March 17.
At the time, AT&T told CNN: “We have no indication that our systems are compromised. In 2021 we determined that the information offered in this online forum did not appear to come from our systems. “We believe and are working to confirm that the data set discussed today is the same data set that has been recycled multiple times on this forum.”
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