ARTEX AI, Claude agents used in cyberattacks on South Korean banks

A Chinese hacker conducted cyberattacks against South Korean financial institutions using the ARTEX AI penetration testing suite combined with Claude AI agents. The attacks targeted the South Korean banking sector and caused significant disruption earlier in the month. The threat actor leveraged AI-powered tools to automate and enhance the effectiveness of the intrusion campaign. This incident highlights the emerging threat of AI-assisted cyberattacks being weaponized against critical financial infrastructure. The use of legitimate AI tools like Claude agents in offensive operations represents a notable evolution in attacker tradecraft. The incident raises concerns about the misuse of commercial AI platforms for malicious cyber operations.