UK banks blocked from cyber AI tool Mythos get offer from rival OpenAI
Summary
OpenAI has offered nine major UK banks access to its cybersecurity AI tool called GPT-5.5 Cyber after rival Anthropic blocked the banks from using its AI tool, Claude Mythos. Both AI tools help find hidden security problems in digital systems and can work faster than humans, but some experts warn that careful human review is still needed.Key Facts
- OpenAI offered GPT-5.5 Cyber access to nine main UK banks, including Lloyds, HSBC, and Nationwide.
- Anthropic’s AI tool, Claude Mythos, was blocked for UK banks, though it was shared with some US tech companies.
- Both AI tools are designed to detect cybersecurity weaknesses and can analyze computer code quickly.
- Bank of England governor Andrew Bailey said UK banks still cannot use Mythos to check their systems.
- Former UK Chancellor George Osborne, now at OpenAI, said the tool is only for trusted users to prevent misuse.
- Some finance leaders worry these AI models could threaten the security of financial systems.
- Tests show Mythos and GPT-5.5 Cyber perform similarly in finding security issues.
- Experts say AI tools speed up code checks but humans must verify the results to avoid false alarms.
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