Nessus Professional is a commercial vulnerability assessment solution by Tenable. SecurityVulnerability.io is a free vulnerability assessment solution. Features, integrations, deployment and the company behind each one, side by side.
Vulnerability scanner for assessing networks, systems, and apps for security flaws.
SecurityVulnerability.io simplifies the process of collecting, enriching, and presenting vulnerability information for both human and machine consumption.
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Based on what each listing shows: deployment, company size, price and open source.
Nessus Professional fits if you need to run it on your own servers and you are a startup.
SecurityVulnerability.io fits if you want a cloud product and you need a free product.
Common questions when comparing Nessus Professional vs SecurityVulnerability.io for vulnerability assessment.
Nessus Professional: Vulnerability scanner for assessing networks, systems, and apps for security flaws, built by Tenable.
SecurityVulnerability.io: SecurityVulnerability.io simplifies the process of collecting, enriching, and presenting vulnerability information for both human and machine consumption.
The table above shows where their features, integrations, deployment and company size fit differ.
Often, yes. Nessus Professional and SecurityVulnerability.io are both Vulnerability Assessment products. Key differences: Nessus Professional is Commercial while SecurityVulnerability.io is Free. 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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