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AT&T data leak impacts 73 million account holders

Written by Mon 1 Apr 2024

Image Credit: Reuters

Telecoms company, AT&T, is investigating a data leak released on the dark web, reportedly impacting around 7.6 million current account holders and 65.4 million former account holders.

AT&T said the data set appears to be from 2019 or earlier and it does not have evidence of unauthorised access to its systems resulting from the incident. The telecoms carrier’s 5G network covers approximately 290 million people across the US.

The Guardian reported the compromised data does not seem to include financial information or call history. However, in addition to passcodes and social security numbers, it may include email and mailing addresses, birth dates, and phone numbers.

AT&T added it is unknown whether the data leak originated from the company or one of its vendors. AT&T stressed the incident has not had a material impact on its operations and the origin of the data is currently being assessed.

“Our internal teams are working with external cybersecurity experts to analyse the situation …  We encourage users to remain vigilant by monitoring account activity and credit reports,” said AT&T.

AT&T said it is in contact with those who have been affected by the incident and has reset the passcodes for 7.6 million current customers. Credit monitoring will also be offered wherever it is applicable.

The news follows  AT&T’s outage in February that disrupted calls and text messages for thousands of its users in the US. The incident prompted federal investigations.

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Written by Mon 1 Apr 2024

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