Nessus Professional is a commercial vulnerability assessment solution by Tenable. Nsauditor Network Security Auditor is a commercial vulnerability assessment solution by Nsasoft US LLC. Features, integrations, deployment and the company behind each one, side by side.
Vulnerability scanner for assessing networks, systems, and apps for security flaws.
Windows suite for network security auditing, vuln scanning, and IT mgmt.
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Based on what each listing shows: deployment, company size, price and open source.
Nessus Professional fits if you are a startup.
Common questions when comparing Nessus Professional vs Nsauditor Network Security Auditor for vulnerability assessment.
Nessus Professional: Vulnerability scanner for assessing networks, systems, and apps for security flaws, built by Tenable.
Nsauditor Network Security Auditor: Windows suite for network security auditing, vuln scanning, and IT mgmt, built by Nsasoft US LLC.
The table above shows where their features, integrations, deployment and company size fit differ.
Nessus Professional is made by Tenable. Nsauditor Network Security Auditor is made by Nsasoft US LLC. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Nessus Professional and Nsauditor Network Security Auditor are both Vulnerability Assessment products, and both cover Network Scanning, Vulnerability, CVE. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-01
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