T-Mobile says hackers steal about 7.8 mln postpaid customers' personal data

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2021-08-18 12:00:04

A T-Mobile logo is seen on the storefront door of a store in Manhattan, New York, U.S., April 30, 2018. REUTERS/Shannon Stapleton/File Photo

Aug 18 (Reuters) - T-Mobile US Inc (TMUS.O) said on Wednesday an ongoing investigation into a cyberattack on its systems revealed that some personal data of about 7.8 million of its current postpaid customers were compromised.

The company was made aware of the attack late last week, it said in a statement, after an online forum claimed that personal data of its users were leaked.

Data from about 850,000 prepaid customers and more than 40 million records of former or prospective customers were also stolen, T-Mobile said.

The breached data included customers' first and last names, date of birth, social security numbers, and driver's license information, it said, but there was no indication of their financial details being compromised.