Mythos accelerates: UK study finds Anthropic’s AI outpacing expectations in cyber tasks
TL;DR Summary
UK AI Security Institute tests newer Mythos Preview and finds it outperforms its earlier results and OpenAI's GPT-5.5 on cyber-range tasks, suggesting AI capabilities are improving faster than expected, though token caps and unknowns limit measuring longer-horizon performance.
- Anthropic's Mythos is evolving faster than expected, reports AI safety agency ZDNET
- The war between businesses and hackers enters a perilous new phase The Economist
- AI-driven cyberattacks will start to be the 'new norm' in months, Palo Alto warns CNBC
- Defender's Guide to the Frontier AI Impact on Cybersecurity: May 2026 Update Palo Alto Networks
- How fast is autonomous AI cyber capability advancing? The AI Security Institute (AISI)
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