T-Mobile Data Breach Affected More Than 53 Million People

T-Mobile US Inc. said 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 had earlier this week said 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.

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