The Next Web Mitsubishi UFJ Financial Group, Mizuho Financial Group and Sumitomo Mitsui Financial Group will receive Anthropic’s Claude Mythos AI model within the next two weeks, becoming the first Japanese institutions in the company’s restricted Project Glasswing rollout. The move, announced during meetings in Tokyo with U.S. Treasury Secretary Scott Bessent, aims to let the banks use the AI to uncover and remediate zero‑day flaws in their own systems. A public‑private working group, chaired by Mizuho’s chief information security officer, will oversee the effort as regulators worldwide watch the expanding cyber‑risk landscape.
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