South Korean police launched full-scale investigation into suspected AI-assisted hacking of financial institutions exposing tens of thousands of people.

President Lee Jae Myung called for swift response at Cabinet meeting: accelerate AI cybersecurity development, overhaul security paradigm for AI era. “Speed is of the essence.”

Seven institutions breached by Sunday: Shinhan, KB Kookmin, Hana, BNK Busan, Yegaram and Welcome savings banks, Hyundai Capital. Combined exposure ~66,000 individuals and 2,200 corporate records.

FSS shared 28 attacker IP addresses with financial firms. ARTEX tool may have been involved per Korea University cybersecurity professor Kim Seung-joo. Police formed 28-member dedicated cyber terror investigation team.