Hacker Steals Personal Data of 37 Million T-Mobile Customers

Telecom giant T-Mobile has revealed that a hacker has accessed a bulk of personal data belonging to 37 million customers.

T-Mobile said that the hacker has been stealing the data, which includes “name, billing address, email, phone number, date of birth, T-Mobile account number and information such as the number of lines on the account and plan features,” since November 25.

T-Mobile only detected the breach more than a month later, on January 5. T-Mobile claims it fixed the problem that the hacker was exploiting within a day of discovering it.

No company system was affected, T-Mobile claims.

This is the eighth time T-Mobile was hacked since 2018. In 2022, a group of hackers known as Lapsus$ was able to gain access to the company’s internal tools, which gave them the chance to carry out SIM swaps.

With SIM swaps, hackers take over a victim’s phone number and then try to leverage that to reset and access the target’s sensitive accounts such as email or cryptocurrency wallets.

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