CIS Benchmarks Audit is a free vulnerability assessment solution. Nessus Professional is a commercial vulnerability assessment solution by Tenable. Features, integrations, deployment and the company behind each one, side by side.
A standalone Python script that audits system configurations against CIS Hardening Benchmarks to assess compliance readiness without requiring installation or dependencies.
Vulnerability scanner for assessing networks, systems, and apps for security flaws.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
CIS Benchmarks Audit fits if you need a free product and you want an open-source product.
Common questions when comparing CIS Benchmarks Audit vs Nessus Professional for vulnerability assessment.
CIS Benchmarks Audit: A standalone Python script that audits system configurations against CIS Hardening Benchmarks to assess compliance readiness without requiring installation or dependencies.
Nessus Professional: Vulnerability scanner for assessing networks, systems, and apps for security flaws. Built by Tenable.
The table above shows where their features, integrations, deployment and company size fit differ.
CIS Benchmarks Audit is open-source with 273 GitHub stars. Nessus Professional is made by Tenable. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. CIS Benchmarks Audit and Nessus Professional are both Vulnerability Assessment products, and both cover CIS. Key differences: CIS Benchmarks Audit is Free while Nessus Professional is Commercial, CIS Benchmarks Audit is open-source. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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