What happened
Anthropic launched Claude Code Security as a limited research preview for Enterprise and Team customers, offering free expedited access to open-source maintainers. Powered by the Opus 4.6 model, the tool autonomously reviews entire codebases, rates vulnerability severity, and suggests fixes while requiring human approval to apply changes. According to Anthropic’s Frontier Red Team, the system identified decades-old, high-severity vulnerabilities in critical open-source infrastructure without custom scaffolding or specialised prompting. Anthropic is also investing in safeguards to detect malicious use.
Why it matters
Autonomous vulnerability discovery shifts the bottleneck from finding flaws to reviewing AI-generated patches. For security architects and platform engineers, Opus 4.6’s ability to map data flow across entire codebases replaces static pattern-matching tools. By enforcing mandatory human approval for all fixes, Anthropic acknowledges the operational risks of fully autonomous agents, contrasting with today's AWS incident where an AI coding bot disrupted live services. Teams evaluating this preview must build workflows to handle an increased volume of high-severity alerts without overwhelming existing patch management cycles.
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