sk app-based authentication (1) 썸네일형 리스트형 2025 SK Telecom USIM Breach Survival Guide: From USIM Replacement to 2FA Enhancement On April 19, 2025, a major SK Telecom USIM data breach compromised the information of approximately 23 million customers. This comprehensive guide covers everything from registering for USIM Protection Service and free USIM replacement to enhancing account security. Learn about essential re-authentication procedures after USIM replacement and long-term security enhancement methods.Table of Conte.. 이전 1 다음
