Nanitor is a commercial vulnerability assessment solution by Nanitor. Semperis Purple Knight is a free vulnerability assessment solution by Semperis. Features, integrations, deployment and the company behind each one, side by side.
CTEM platform for VM, security config, and patch intelligence across IT infra.
Free AD, Entra ID, and Okta security assessment tool for vulnerability scanning
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Based on what each listing shows: deployment, company size, price and open source.
Nanitor fits if you need both cloud and on-premises options.
Semperis Purple Knight fits if you want a cloud product, you are a startup and you need a free product.
Common questions when comparing Nanitor vs Semperis Purple Knight for vulnerability assessment.
Nanitor: CTEM platform for VM, security config, and patch intelligence across IT infra. Built by Nanitor.
Semperis Purple Knight: Free AD, Entra ID, and Okta security assessment tool for vulnerability scanning. Built by Semperis.
The table above shows where their features, integrations, deployment and company size fit differ.
Nanitor is made by Nanitor. Semperis Purple Knight is made by Semperis. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Nanitor and Semperis Purple Knight are both Vulnerability Assessment products. Key differences: Nanitor is Commercial while Semperis Purple Knight is Free. Use the table above to see where features, deployment and company size fit differ.
No Vulnerability Assessment shortlist yet. This is the closest one.
Updated 2026-11-02
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