The Financial Services Commission said earlier in October 2026 that hacking attacks on 16 South Korean financial firms, including banks, had caused around 100,000 data leaks

From the articleBithumb Says Hackers Accessed Internal System, Leaking Personal Data - DecryptAlso in Three South Korean financial firms including Bithumb report data breaches, Yonhap says | Reuters, Bithumb among three South Korean financial firms reporting data breaches