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12:22

2026-05-28

cryptobriefing.com

artificial-intelligence

OpenAI supplies new cybersecurity model to Japan’s megabanks amid rising AI threats

OpenAI announced on May 21 it will supply its specialized GPT-5.5-Cyber model to Japan’s three megabanks and the Japanese government for cybersecurity defense. The deployment follows Anthropic’s relea…

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OpenAI 1 GPT-5.5-Cyber 1 Anthropic 1 Claude Mythos 1 MUFG Bank 1 Mizuho Bank 1 Satsuki Katayama 1