OpenAI has suspended multiple ChatGPT accounts linked to Chinese-speaking hackers involved in the development of malware and phishing tools, coinciding with the documented threat cluster UTA0388, which has targeted Taiwan’s semiconductor sector and various U.S. institutions. The banned accounts engaged in sophisticated cyber activities, including crafting phishing emails in multiple languages and automating reconnaissance. OpenAI’s enforcement action emphasizes its commitment to robust policy measures and collaboration with security partners, as no novel offensive capabilities were identified through its models. This incident highlights the growing misuse of AI tools in cyber operations, underscoring the need for continuous vigilance and adaptive defenses in the cybersecurity landscape.