Personal data from T-Mobile breach still spreading on dark web, state governments warn

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Mar 3, 2022 | CYBERSCOOP

The top law enforcement officials from multiple states are alerting people affected by an August 2021 breach at T-Mobile that their personal data might be circulating in cybercrime forums online.

“Information stolen in a massive data breach has fallen into the wrong hands and is circulating on the dark web,” New York Attorney General Letitia James said Wednesday in a news release. Officials from California, Florida and several other states issued similar warnings.

The T-Mobile breach involved the data of tens of millions of current, former or potential customers who had applied for credit with the wireless company. The stolen data is attractive for identity theft and other financial crimes. The hacker who claimed responsibility for the breach told The Wall Street Journal in August that T-Mobile’s security was “awful.” Law enforcement agencies from multiple states are investigating the breach.

In some cases, the hacker accessed people’s names, dates of birth, Social Security numbers and driver’s license or ID numbers. The company also said technical data — including international mobile equipment identities (IMEIs) and international mobile subscriber identities — were also compromised. IMEIs, which are often used for advertising purposes,

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