Chinese Hacker Exploits AI Tools in South Korean Bank Cyberattacks A Chinese hacker used an AI-powered penetration testing suite called ARTEX, along with Claude agents, DeepSeek and Grok, to carry out a targeted cyberattack on South Korea's financial sector, according to a report on the incident. The attack combined multiple AI tools to evade the banks' security defenses. A Chinese hacker recently unleashed a targeted cyberattack on South Korea's financial sector, leveraging a cutting-edge AI-powered penetration testing suite called ARTEX alongside clever Claude agents to breach defenses. The sophisticated attack used multiple AI tools, including DeepSeek and Grok, to outsmart security measures.