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South Korea to tighten data-security certification standards, add post-breach audits

( December 8, 2025, 04:42 GMT | Official Statement) -- MLex Summary: South Korea is preparing to overhaul its information-security and privacy certification regime for companies holding large volumes of personal data, following a string of high-profile breaches at certified firms. The changes, led by the Ministry of Science and ICT and the Personal Information Protection Commission, would in effect make ISMS-P certification mandatory for key personal-information systems at public bodies, telecom operators and online platforms, while tightening criteria for large platforms and other high-risk operators. Authorities plan to revamp audit methods, expand technical and on-site inspections, and allow certification to be denied or cancelled when serious deficiencies are detected. Companies hit by data breaches will face special follow-up audits, and about 900 ISMS-certified telecom and online-shopping operators have been told to run self-checks for security vulnerabilities ahead of the on-site inspections the government aims to complete by the first quarter of 2026.The statement is attached (in Korean)....

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