Cybersecurity

T-Mobile Says Hacker Stole Data for 37 Million Customers

  • Information stolen includes name, address and account number
  • Credit card data and networks weren’t affected, company said

A T-Mobile branded shopping bag in San Francisco. 

Photographer: David Paul Morris/Bloomberg
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T-Mobile US Inc. said a hacker obtained data for 37 million customer accounts, though it didn’t include payment information, passwords or other sensitive personal data.

The wireless provider said in a federal filingBloomberg Terminal it discovered the hack on Jan. 5 and was able to trace the source and stop it within a day.