Japanese financial institutions were granted access to OpenAI's GPT-5.5 model to help defend against cyberattacks, according to Finance Minister Satsuki Katayama. The development highlights growing adoption of advanced AI in banking cybersecurity, but the report is informational rather than market-moving. No financial terms, adoption scale, or immediate commercial impact were disclosed.
Japanese financial institutions were granted access to OpenAI's GPT-5.5 model to help defend against cyberattacks, according to Finance Minister Satsuki Katayama. The development highlights growing adoption of advanced AI in banking cybersecurity, but the report is informational rather than market-moving. No financial terms, adoption scale, or immediate commercial impact were disclosed.
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