ESET Server Security is a commercial workload protection solution by ESET. Nessus Professional is a commercial vulnerability assessment solution by Tenable. Features, integrations, deployment and the company behind each one, side by side.
Server security solution protecting file servers, SharePoint, and Linux systems
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.
ESET Server Security fits if you need both cloud and on-premises options.
Nessus Professional fits if you need to run it on your own servers and you are a startup.
Common questions when comparing ESET Server Security vs Nessus Professional for workload protection.
ESET Server Security: Server security solution protecting file servers, SharePoint, and Linux systems. Built by ESET.
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.
ESET Server Security is made by ESET. 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.
In part. ESET Server Security and Nessus Professional are not in the same category on CybersecTools. 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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