Kookmin Bank - GoKawiil

South Korean banks targeted by AI-driven cyberattacks exposing customer data

Several major South Korean banks, including Hana Bank, KB Kookmin Bank, and Shinhan Bank, are under investigation following cyberattacks that used AI agents to breach their systems. Personal information of around 25,000 Shinhan customers and dozens of employees from Kookmin Bank and Hana Bank have been leaked. Authorities and President Lee Jae Myung have expressed concern over the use of AI in these attacks, which appear to be part of a growing trend of autonomous cyber threats targeting financial institutions.

tomshardware.com · 2026-10-06

South Korea probes breaches at Shinhan, Kookmin, Hana banks

South Korea's Financial Services Commission held an emergency meeting after cyberattacks hit several major banks, confirming a data breach at Shinhan Bank and incidents at Kookmin Bank and Hana Bank. Reports say Shinhan leaked data on 25,000 customers and Kookmin exposed credit card details of 119,000 clients, while Hana suffered a limited breach of its sales-support system. President Lee has ordered a full investigation into data leaks at financial and public institutions.

bleepingcomputer.com · 2026-10-05