Semperis Purple Knight is a free vulnerability assessment solution by Semperis. Zentara AVAS is a commercial vulnerability assessment solution by Zentara. Features, integrations, deployment and the company behind each one, side by side.
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.
Semperis Purple Knight fits if you are a startup and you need a free product.
Common questions when comparing Semperis Purple Knight vs Zentara AVAS for vulnerability assessment.
Semperis Purple Knight: Free AD, Entra ID, and Okta security assessment tool for vulnerability scanning. Built by Semperis.
Zentara AVAS: Built by Zentara.
The table above shows where their features, integrations, deployment and company size fit differ.
Semperis Purple Knight is made by Semperis. Zentara AVAS is made by Zentara. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Semperis Purple Knight and Zentara AVAS are both Vulnerability Assessment products. Key differences: Semperis Purple Knight is Free while Zentara AVAS is Commercial. 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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