SK Telecom revealed that malware breach began in 2022
Security Affairs
MAY 20, 2025
South Korean mobile network operator SK Telecom revealed that the security breach disclosed in April began in 2022. SK Telecom revealed that the security breach began in 2022, exposing USIM data of 27 million users. To counter SIM-swapping risks, it is replacing all SIM cards and enhancing security to block unauthorized number porting.
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