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Docker Bench for Security is a free container security tool. Clair is a free container security tool. Compare features, ratings, integrations, and community reviews side by side to find the best container security fit for your security stack.
Based on our analysis of available product data, here is our conclusion:
Teams running Docker in dev and staging environments need Docker Bench for Security to catch basic misconfigurations before they reach production; it audits against the actual CIS Docker Benchmark standard rather than vendor-specific rules, giving you policy alignment without licensing costs. The 9,600-plus GitHub stars reflect real adoption among engineers who treat it as a pre-deployment gate, and it requires zero agent installation. Skip this if you're looking for runtime threat detection or need continuous compliance monitoring across a fleet; Docker Bench is a point-in-time scanner that won't flag a privilege escalation happening inside a running container.
Development teams shipping containers through CI/CD pipelines should start with Clair because it catches known vulnerabilities at build time before they reach production, and the free, open source model means zero licensing friction for catching this at scale. With 10,942 GitHub stars and deep integration into container registries via API indexing, Clair is battle-tested in high-volume scanning workflows. Skip it if you need runtime threat detection or vulnerability prioritization based on exploitability; Clair is static analysis only, which means it flags everything in the database regardless of whether the vulnerability actually matters for your application.
An open-source script that performs automated security assessments of Docker containers and hosts against CIS Docker Benchmark standards.
Clair is an open source static analysis tool that scans application containers for known vulnerabilities through API-based image indexing and matching.
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Common questions about comparing Docker Bench for Security vs Clair for your container security needs.
Docker Bench for Security: An open-source script that performs automated security assessments of Docker containers and hosts against CIS Docker Benchmark standards..
Clair: Clair is an open source static analysis tool that scans application containers for known vulnerabilities through API-based image indexing and matching..
Both serve the Container Security market but differ in approach, feature depth, and target audience.
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