Nessus Professional is a commercial vulnerability assessment solution by Tenable. Sec1 Threat Vision is a commercial vulnerability assessment solution by Sec1. Features, integrations, deployment and the company behind each one, side by side.
Vulnerability scanner for assessing networks, systems, and apps for security flaws.
AI-driven tool that predicts software package vulnerabilities 90 days ahead
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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 or a small business.
Sec1 Threat Vision fits if you want a cloud product.
Common questions when comparing Nessus Professional vs Sec1 Threat Vision for vulnerability assessment.
Nessus Professional: Vulnerability scanner for assessing networks, systems, and apps for security flaws. Built by Tenable.
Sec1 Threat Vision: AI-driven tool that predicts software package vulnerabilities 90 days ahead. Built by Sec1.
The table above shows where their features, integrations, deployment and company size fit differ.
Nessus Professional is made by Tenable. Sec1 Threat Vision is made by Sec1. 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 Sec1 Threat Vision 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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