T-Mobile says data on 37 million customers stolen

BOSTON: The U.S. wireless carrier T-Mobile said Thursday that an unidentified malicious intruder breached its network in late November and stole data on 37 million customers, including addresses, phone numbers and dates of birth.

T-Mobile said in a filing with the U.S. Securities and Exchange Commission that the breach was discovered Jan. 5. It said the data exposed to theft – based on its investigation to date – did not include passwords or PINs, bank account or credit card information, Social Security numbers or other government IDs.