South Korean megachurches investigate suspected cyberattacks affecting hundreds of thousands

South Korean megachurches are scrambling to investigate suspected cyberattacks that could expose personal data of hundreds of thousands of congregants, threatening both individual privacy and the institutions’ public trust. With membership numbers reaching into the millions, any breach risks eroding donor confidence and damaging the churches’ reputation. The stakes are high for the churches’ leadership, who must contain the fallout while assuring members that their information is secure.

Rapid response teams are being mobilized to assess the technical breach and coordinate with any relevant authorities. The Korea Times reported that a Seoul megachurch experienced a cyber intrusion, while news.sbs.co.kr said Yoido Full Gospel Church suspects a leak of personal information affecting 850,000 members. The Korea Herald added that two megachurches have faced suspected data breaches, confirming the scope extends beyond a single site.

Reuters introduced the possibility that artificial‑intelligence tools were used to facilitate the attacks, suggesting a sophisticated threat vector. Fox Business noted that the incidents together may impact hundreds of thousands of worshippers, highlighting the breadth of the potential exposure. Investigators have not yet verified the extent of the breach, and details about how the data was accessed remain unclear, leaving authorities to determine the full impact and any legal ramifications.