T-Mobile Says Hacker Stole Data for 37 Million Customers (1)

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 filing it discovered the hack on Jan. 5 and was able to trace the source and stop it within a day.

The investigation is still ongoing, the company said, but the culprit appeared to obtain the information through a single entry point serving customer data, and doesn’t appear to have breached the company’s systems or network.

The data stolen includes the names, addresses, emails and phone numbers of ...