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T-Mobile customers could have had personal information hacked in a recent breach

T-Mobile estimates around 3% of its user base was affected by the breach.

T-mobile customer data
Image: T-Mobile (Edits: Josiah Motley / KnowTechie)

T-Mobile says hackers might have stolen personal information from some of its customers. The intrusion, which occurred earlier this week, was quickly discovered by the company’s cybersecurity team and shut off.

In a statement, the No. 3 carrier in the U.S. explained that information exposed might have included one or more of the following: name, billing zip code, phone number, email address, account number, and account type (prepaid or postpaid). Luckily, the breach didn’t include financial data (including credit card numbers) or social security numbers. Passwords were also not compromised.

The company told Motherboard around 3 percent of its 77 million customers may have been affected, or around 2 million. It told ZDNet the attack was likely “international.”

T-Mobile is in the process of sending messages to those customers at risk.

Were you affected?

If you have any questions about the hack, T-Mobile says you should contact its customer care unit. If you are a T-Mobile customer, you can dial 611, use two-way messaging on, the T-Mobile App, or iMessage through Apple Business Chat. You can also request a callback or schedule a time for your Team of Experts to call you through both the T-Mobile App and If you are a T-Mobile For Business or Metro PCS customer, just dial 611 from your mobile phone.

Unfortunately, this isn’t the first data breach reported recently. Both the TeenSafe app and Grayshift service were hacked in recent months, as was Under Armour. To help protect users, some companies are now offering incentives for making their accounts secure, like with Epic Games and Fortnite.

Has anyone contacted you about this issue? Let us know below. 

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Bryan considers himself a well-rounded techie, having written articles for MakeUseOf, KnowTechie, AppAdvice, iDownload Blog. When he's not writing, he's being a single dad and rooting for his alma mater, Penn State, or cheering on the Patriots.

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