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Wave of data breaches forces South Korea to rethink privacy enforcement for 2026

By Jenny Lee ( December 31, 2025, 01:30 GMT | Comment) -- South Korea’s wave of data breaches in 2025 laid bare how easily basic controls can fail even at the country’s biggest platforms, and how little reassurance certification offered once those failures surfaced. The policy response is now moving toward harsher fines and a tougher ISMS-P regime, making 2026 a cleanup year that will test whether enforcement and prevention reforms can actually change corporate behavior before the next mega-breach hits.The year 2025 will be remembered as one of the darkest in South Korea’s data-privacy history. Breaches have struck services used by tens of millions of people, hitting household names from Coupang to major mobile carriers and card companies, and leaving consumer trust visibly shaken....

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