T-Mobile announced today that the firm was a victim of a malicious cyberattack that targeted the company’s email vendor.
The wireless carrier reportedly detected the attack and quickly shut it down, but not before customer information was compromised.
According to a webpage T-Mobile created after the attack, hackers accessed T-Mobile employee emails. Some of these emails contained account information for both T-Mobile customers and employees.
The stolen data included personal information such as names, addresses, and phone numbers, as well as account profile and billing information.
T-Financial information and social security numbers were not accessed during the breach.
T-Mobile claims the stolen data has not been used to commit fraud, but the company is advising customers to review their account information and update the passcode on their T-Mobile account.
T-Mobile is using text messages to contact customers whose information may have been breached. Customers who have not received a text from the company can call T-Mobile directly if they have any questions.
T-Mobile also is offering customers two years of credit monitoring and identity theft protection through TransUnion. Customers must sign up for the service by May 31, 2020.