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T-Mobile was hit by another network breach, affecting 37 million customers.
According to a regulatory filing, the mobile operator revealed on Thursday that its network was hacked in late November and was discovered on January 31. 5.
The stolen data included addresses, phone numbers and dates of birth.
The theft did not include passwords, PIN codes, bank account or credit card information, social security numbers or other government identifiers.
T-MOBILE SETTLES IN MASS HACK FOR $350M
Signage for a T-Mobile store in San Francisco, California. (Photographer: David Paul Morris/Bloomberg via Getty Images/Getty Images)
T-Mobile provided FOX Business with the following statement.
“As soon as our teams identified the issue, we closed it within 24 hours. Our systems and policies prevented access to the most sensitive types of customer information and, therefore, customer accounts and finances. customers should not be directly harmed by this event.There is also no evidence that the bad actor breached or compromised T-Mobile’s network or systems.
T-Mobile said it notified law enforcement and federal agencies.
The wireless service provider has had security vulnerabilities in the past.
T-MOBILE HAS ANOTHER DATA BREACH

The T-Mobile logo appears on a screen at the Nasdaq MarketSite in New York. (AP Photo/Richard Drew/AP Newsroom)
In July, it agreed to pay $350 million to customers who filed a class action lawsuit after the company disclosed in August 2021. Personal data, including social security numbers and driver’s license information from nearly 80 million US residents were affected.
Teleprinter | Security | Charge | Change | Change % |
---|---|---|---|---|
TMUS | T-MOBILE US INC. | 145.14 | -0.76 | -0.52% |
Prior to the August 2021 intrusion, the company had disclosed breaches in January 2021, November 2019, and August 2018 in which customer information was accessed.
The Associated Press contributed to this report.