Semperis Purple Knight is a free vulnerability assessment solution by Semperis. ZEST Security is a commercial vulnerability assessment solution by ZEST Security. Features, integrations, deployment and the company behind each one, side by side.
Free AD, Entra ID, and Okta security assessment tool for vulnerability scanning
Agentic cloud exposure management platform with AI-driven remediation.
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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 or a small business and you need a free product.
Common questions when comparing Semperis Purple Knight vs ZEST Security for vulnerability assessment.
Semperis Purple Knight: Free AD, Entra ID, and Okta security assessment tool for vulnerability scanning. Built by Semperis.
ZEST Security: Agentic cloud exposure management platform with AI-driven remediation. Built by ZEST Security.
The table above shows where their features, integrations, deployment and company size fit differ.
Semperis Purple Knight is made by Semperis. ZEST Security is made by ZEST Security. 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 ZEST Security are both Vulnerability Assessment products, and both cover Misconfiguration. Key differences: Semperis Purple Knight is Free while ZEST Security 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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