Japan's Megabanks Partner with OpenAI for Advanced Cyber Defense
Technology

Japan's Megabanks Partner with OpenAI for Advanced Cyber Defense

Japan's three largest megabanks are partnering with OpenAI to deploy the advanced AI model GPT-5.5-Cyber. This move aims to counter increasingly sophisticated cyber threats and bolster national financial system defenses, though vulnerabilities in smaller institutions are emerging as a concern.

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