A person in an online forum is offering data for sale that they claim comes from T-Mobile servers. The carrier says it is investigating the accuracy of this alleged breach.
The data includes social security numbers, phone numbers, names, physical addresses, unique IMEI numbers, and driver licenses information, the seller said. Motherboard has seen samples of the data, and confirmed they contained accurate information on T-Mobile customers.
Update: T-Mobile has issued a statement confirming the breach.