Aug 20 (Reuters) – T-Mobile US Inc (TMUS.O) 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.
The third-largest U.S. wireless carrier said earlier this week that personal data of more than 40 million former and prospective customers was stolen along with data from 7.8 million existing T-Mobile wireless customers. read more
In its latest update, which comes days after the U.S. Federal Communications Commission (FCC) opened an investigation into the breach, T-Mobile revealed it had identified 5.3 million additional current wireless subscribers who were impacted by the breach as well as 667,000 more accounts of former customers.
