Developing nuclear safeguards for AI through public-private partnership
… We have already deployed this classifier on Claude traffic as part of our broader system for identifying misuse of our models. …
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LLMs and biorisk
… This monitoring provides insight into patterns of misuse and helps us determine if and when to take enforcement action. National action We are heartened to see investment in biosecurity as a key component of the new US AI Action Plan . …
Statement on the US government directive to suspend access to Fable 5 and Mythos 5
… Anthropic’s posture with respect to Fable’s safeguards, as laid out in our launch blog post , is the following: We have instituted strong safeguards that greatly reduce the likelihood that Fable is misused for tasks related to cybersecurity among others . …
Mapping AI-enabled cyber threats: Insights from the LLM ATT&CK Navigator
… It also serves as a guide to how threat actors are likely to misuse increasingly capable models in the near future, giving defenders a chance to get ahead of them. What we learned from this and other analyses directly shapes how we build Claude to prevent such misuse. …
Claude Fable 5 and Claude Mythos 5
… Without safeguards, Fable 5’s capabilities in areas like cybersecurity could be misused to cause serious damage. …
Partnering with Mozilla to improve Firefox’s security
… From model evaluations to a security partnership In late 2025, we noticed that Opus 4.5 was close to solving all tasks in CyberGym , a benchmark that tests whether LLMs can reproduce known security vulnerabilities. …
Results from first Anthropic Public Record
… Job loss concerns are higher among Americans with more education Concerns over job displacement rise with a respondent’s education level. …
Building AI for cyber defenders
… We believe we are now at an inflection point for AI’s impact on cybersecurity. For several years, our team has carefully tracked the cybersecurity-relevant capabilities of AI models. …
2028: Two scenarios for global AI leadership
… With access to the model, Firefox was able to fix more security bugs last month than it had in all of 2025, and almost 20 times more than its monthly average security bug fixes in 2025. …
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