The company revealed that the data of 73 million customers including social security numbers had been compromised in a data breach. Some media outlets reported this back in 2021.
The company posted a statement on its website regarding the data sets released on the dark web. AT&T said that a recent data set released on the dark web approximately two weeks ago contained data from its customers. The company also claims that it is not clear whether the hackers were able to breach AT&T systems or those belonging to one of their vendors. The data breached by hackers contained social security numbers, email addresses, data of birth, AT&T account numbers, and AT&T passcodes.
From the 73 million datasets, 65.4 million were former AT&T customers. For the rest of 7.6 million people, the company has automatically reset their passcodes. These four-digit passcodes are used for an extra layer of security to their AT&T account. The company claims that the customers whose passcodes have been reset have been informed.
The company also claims that datasets released online are from 2019 or earlier. They also indicated that they would be taking measures to help those potentially affected by offering complimentary identity theft and credit monitoring services.
“Currently, AT&T does not have evidence of unauthorized access to its systems resulting in exfiltration of the data set. The company is communicating proactively with those impacted and will be offering credit monitoring at our expense where applicable.”
A major media outlet reported that the dataset involved in the breach has been on the dark web for some time.
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