G7 to Launch Tabletop Exercises Simulating AI-Powered Attacks on Banking Systems

G7 finance leaders have agreed to conduct coordinated tabletop exercises to prepare for cyberattacks powered by advanced artificial intelligence, marking the first major collaborative response to escalating concerns about AI threats to global financial stability. The agreement, announced by Japanese Finance Minister Satsuki Katayama on October 16, 2026, comes as regulators worldwide confront mounting evidence that frontier AI models possess cyber capabilities that exceed those of skilled human attackers and operate at vastly greater speed, scale, and lower cost.