T-Mobile breach hits 53 million customers as probe finds wider impact

FILE PHOTO: 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

(Corrects paragraph 7 to say the 2018 breach affected 3% of 77 million customers, not 77 million customers)

(Reuters) -T-Mobile US Inc said on Friday an ongoing investigation into a data breach revealed that hackers accessed personal information of an additional 5.3 million customers, bringing the total number of people affected to more than 53 million.