Greenbone OPENVAS SCAN is a commercial vulnerability assessment solution by Greenbone AG. Nessus Professional is a commercial vulnerability assessment solution by Tenable. Features, integrations, deployment and the company behind each one, side by side.
Vulnerability scanning appliance for IT infrastructure attack surface reduction
Vulnerability scanner for assessing networks, systems, and apps for security flaws.
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Based on what each listing shows: deployment, company size, price and open source.
Greenbone OPENVAS SCAN 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 Greenbone OPENVAS SCAN vs Nessus Professional for vulnerability assessment.
Greenbone OPENVAS SCAN: Vulnerability scanning appliance for IT infrastructure attack surface reduction, built by Greenbone AG.
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.
Greenbone OPENVAS SCAN is made by Greenbone AG. 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. Greenbone OPENVAS SCAN and Nessus Professional are both Vulnerability Assessment products. 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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