OpenAI's GPT-5.5-Cyber model heads to Japan's three megabanks as part of a US-Japan cybersecurity deal covering 15 critical infrastructure sectors.

OpenAI's GPT-5.5-Cyber model heads to Japan's three megabanks as part of a US-Japan cybersecurity deal covering 15 critical infrastructure sectors.

OpenAI will provide its GPT-5.5-Cyber model to Japan's megabanks and government for cybersecurity, as AI-driven threats reshape the financial security landscape.