T Mobile Confirms Sim Swapping Attacks Led To Breach
The T-Mo Report, a blog tracking T-Mobile, obtained internal reports showing that some data was leaked from a subset of customers. Some individuals had their customer proprietary network information (CPNI) leaked, which includes information about a customer’s plan, the number of lines, the phone numbers, the billing account, and more. Others had their SIMs swapped. Some were victims of both the CPNI leak and the SIM swaps. When pressed for comment by ZDNet, T-Mobile refused to go into detail about the attack and would not say how many customers were affected in the incident....