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T-Mobile suffered another data breach, just a few months later Great breakthrough in August, The carrier confirmed on Wednesday. The company said in an email: “We notified a very small number of customers that the SIM card assigned to their mobile phone number in their account may have been illegally reassigned or viewed limited account information.”
Compared with the more than 50 million people in August, the new vulnerability affects a smaller customer base. The latest victim has received notifications of “unauthorized activities” from T-Mobile, including hackers viewing customer proprietary network information , according to An article published on the blog The T-Mo Report on Tuesday.
“Customer Proprietary Network Information” or CPNI, including All the data T-Mobile has about your phoneAccording to the operator, this means “the function of your voice call service (for example, international calls), usage information (such as call history—including date, time, phone number dialed and call duration), and minutes, etc. Quantitative data was used.” CPNI does not contain any bill-related information, such as name or address.
An unapproved physical SIM card exchange allows others to take over your phone number, and if that person has your password, it is possible to access the account associated with it—for example, if you use text for multi-factor authentication. (If this happens to you, This is the next thing to do.) T-Mobile said it has solved this problem.
“Unfortunately, unauthorized SIM exchanges are a common occurrence throughout the industry. However, our team used our in-situ protection measures to quickly correct the problem, and we took the initiative to take additional protection measures,” the operator Say. “Our people and processes are designed to protect our customers.”
look at this:
T-Mobile data breach: what you need to know
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