GMO Cybersecurity links Chinese AI tool ARTEX to breaches at Japanese firms

Tokyo-based GMO Cybersecurity by Ierae said on October 19 that it confirmed traces of ARTEX, a Chinese-developed AI penetration-testing tool, on servers used to attack around 20 Japanese companies, Crypto Briefing reports. Eight firms reported data breaches between September and October 2026, and CrowdStrike previously tied the same tool to attacks on South Korean banks in late September.