The information about T-Cellular’s newest knowledge breach is simply getting worse, as the corporate introduced new particulars from its investigation. Whereas somebody in possession of the leaked knowledge mentioned they’d obtained info for as many as 100 million clients, together with driver’s license information, IMEI numbers, and extra, T-Cellular’s first assertion put the determine at 47 million or so and didn’t point out the IMEI / IMSI knowledge.

Now, T-Cellular has confirmed that for the 7.8 million on-contract, or postpaid, clients it already counted within the breach, knowledge stolen consists of the knowledge talked about Thursday (first and final names, dates of delivery, Social Safety numbers, and driver’s license / ID numbers), in addition to cellphone numbers and IMEI / IMSI info. IMEI stands for Worldwide Cellular Gear Id and is a quantity that’s assigned to each cellular machine.

IMSI stands for Worldwide Cellular Subscriber Id and is the identifier for the SIM card to which your cell phone quantity is tied. That sort of knowledge could possibly be used to trace cellular gadgets or help in SIM swapping assaults the place somebody hijacks your cellphone quantity to intercept two-factor authentication codes or different info.

Moreover, 5.3 million extra postpaid clients have additionally been recognized as a part of the breach, however with out revealing their driver’s license / ID or Social Safety numbers. The identical goes for a further 667,000 accounts of former T-Cellular subscribers which might be being added to the overall. Former Dash pay as you go and Increase Cellular clients are nonetheless within the clear, nonetheless, 52,000 names tied to Metro by T-Cellular accounts had been stolen.

An unspecified variety of recordsdata contained “phone numbers, IMEI, and IMSI numbers.” In line with T-Cellular that didn’t embody any personally identifiable info, which is a questionable declare because it could possibly be straightforward to tie somebody’s identification to their cellphone quantity based mostly on different leaked knowledge or just shopping publicly out there listings.

The FCC already introduced it’s investigating the incident, and at the very least one class-action lawsuit has been filed towards T-Cellular, calling its response and promised two years of identification safety companies “inadequate.” The investigation remains to be ongoing, however T-Cellular clients (present, former, or simply potential ones who stuffed out an software) can go right here for extra info.


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