T-Mobile to cough up $500 million over 2021 data breach – Naked Security

Just under a year ago, the US arm of telecoms giant T-Mobile admitted to a data breach after personal information about its customers was offered for sale on an underground forum.

At the time, VICE Magazine claimed to have communicated with the hacker behind the breach via online chat, and to have been offered “T-Mobile USA. Full customer info.”

VICE’s Motherboard reporters wrote at the time that:

The data included[d] social security numbers, phone numbers, names, physical addresses, unique IMEI numbers, and driver license information, the seller said. Motherboard has seen samples of the data, and confirmed they contained accurate information on T-Mobile customers.

IMEI is short for International Mobile Equipment Identity, a globally unique serial number burned into your phone when it’s manufactured. Because the IMEI is considered a “non-resettable identifier”, apps on both Android and iOS are restricted from accessing it unless they have been granted special device management privileges, and developers are instructed to rely on user-resettable identifiers such as advertising IDs when legitimately tracking users and devices. You can view your phone’s IMEI by dialing the special phone number *#06#.

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