Open-Source AI Agent Hacked Seven South Korean Banks, Exposing 65,000 Records

AI-powered cyberattacks breach seven South Korean banks, exposing 65,000 records

Seven South Korean financial institutions were breached in late September 2026 using an open-source autonomous hacking tool called ARTEX AI, exposing approximately 65,000 records through credential stuffing attacks. President Lee Jae-myung ordered an immediate investigation and emergency security checks across the financial sector.