Cyberattacks targeting the South Korean financial sector earlier this month were reportedly carried out by a Chinese hacker utilizing the ARTEX AI penetration testing suite and Claude agents. This marks a significant development in the use of AI tools for offensive operations, demonstrating how sophisticated AI capabilities are being leveraged to automate and enhance cyberattacks. The incident highlights the evolving threat landscape where AI-powered tools are becoming accessible to state-sponsored or advanced persistent threat (APT) groups.