Data breach alarm for T-Mobile: millions of users' data on sale? t mobile article

The operator investigates an announcement posted by an online forum: offers sensitive information that could prevent a cyber attack in 2018. Telco: "Committed to establishing the veracity of the report"

16 Aug 2021 A. S.

T-Mobile is committed to understanding whether the ad that appeared in recent days on an online forum that sells the sensitive data of millions of users, many of whom may be customers of the telephone company, is reliable. The operator was concerned by an in-depth study published by Motherboard, which said it had contacted the authors of the announcement, who claimed to have obtained data from T-Mobile's servers, including names, addresses, details of health cards and driving licenses, of more than 100 million people. For its part, T-Mobile, contacted by various media outlets, would have confirmed that it was working to verify the reliability of the announcement. What is not yet clear is when the data breach dates back, since the telco would have been the subject of several attacks in the last period, such as the one that dates back to December 2020, and which would have affected telephone users but not other sensitive data of customers. More serious were the cyberattacks of 2018 and 2019, as a result of which sensitive data of two million users would have been exposed in the first case, and of the names, addresses and account numbers of an unspecified number of users in the second. Finally, an attack in March 2020 would have brought the financial information of a group of users into the minds of cybercriminals. The price of the information offered for sale by hackers on the online forum is 6 bitcoins, starting at about 270 thousand dollars, for a "package" that includes the sensitive data of 30 million users.

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