OpenAI gives Japan’s megabanks its newest model for cyber defence
GPT-5.5-Cyber will reach MUFG, SMBC and Mizuho through a verified-defender programme, the finance minister said, as Tokyo treats frontier AI as both threat and shield. The same models that make cyberattacks cheaper to run are now being handed, deliberately, to the people defending against them. Japan’s three megabanks will gain access to OpenAI’s latest model […]
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