Cybersecurity

T-Mobile Says Small Number of Customers Hit by Data Breach

A person arrives at a T-Mobile US Inc. store in Peru, Illinois.

Photographer: Daniel Acker/Bloomberg
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T-Mobile US Inc. said Friday that a hacker gained access to limited information contained in prepaid accounts.

The hack, which was discovered in early November, affected less than 1.5% of T-Mobile customers and was quickly shut down by the carrier’s cybersecurity team, according to company statements. No financial data such as credit card information or Social Security numbers were included in the hack, and no passwords were compromised, the company said.