Bank of America puts 4,000 people on fixing vulnerabilities uncovered by Anthropic's Mythos and other AI models
Bank of America assigned about 4,000 people to fix software flaws found by Anthropic's Mythos and other AI models.
Bank of America CEO Brian Moynihan said roughly 4,000 people, including 1,000 outside contractors and 3,000 employees, have been fixing software vulnerabilities found by AI models such as Anthropic's Mythos since the second quarter. The bank spent a few hundred million dollars in the third quarter on that software work combined with anti-money-laundering requirements, with no separate patching figure. Anthropic released Mythos in April only to select Project Glasswing partners and said it found thousands of serious flaws; OpenAI launched Daybreak in May. Moynihan expects remediation costs to decline.
- About 1,000 contractors joined 3,000 Bank of America employees since Q2.
- Q3 software and AML spending together reached a few hundred million dollars.
- Anthropic offered Mythos to Project Glasswing partners in April after finding thousands of flaws.
- OpenAI followed in May with its Daybreak cybersecurity program.
- Moynihan expects patching costs to fall over time.
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Oct 15, 2026
Bank of America has hired 1,000 outside contractors to fix software vulnerabilities uncovered by AI models like Anthropic's Mythos, CNBC reports. According to CEO Brian Moynihan, the contractors have been working alongside 3,000 internal employees since the second quarter. Moynihan said the bank spent a few hundred million dollars in the third quarter on the software work and on anti-money-laundering requirements combined. He didn't give a separate figure for patching alone.
In April, Anthropic released Mythos only to select partners through Project Glasswing and said the model had found thousands of serious security vulnerabilities. OpenAI followed in May with its Daybreak cybersecurity program. Critics initially dismissed the labs' warnings and countermeasures as PR, but the debate has since shifted. Security incidents like the Hugging Face hack changed the conversation, along with independent evaluations that confirmed the new models' stronger capabilities.
Bank of America is one of the first major US companies to disclose how many people it has assigned to fixing vulnerabilities that AI found. Moynihan expects patching costs to come down over time.
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