Semperis Purple Knight is a free vulnerability assessment solution by Semperis. Webray RayScan is a commercial vulnerability assessment solution by Webray (盛邦安全). Features, integrations, deployment and the company behind each one, side by side.
Free AD, Entra ID, and Okta security assessment tool for vulnerability scanning
Integrated vulnerability scanner covering system, web, DB, baseline, and weak passwords.
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Based on what each listing shows: deployment, company size, price and open source.
Semperis Purple Knight fits if you want a cloud product, you are a startup and you need a free product.
Webray RayScan fits if you need both cloud and on-premises options.
Common questions when comparing Semperis Purple Knight vs Webray RayScan for vulnerability assessment.
Semperis Purple Knight: Free AD, Entra ID, and Okta security assessment tool for vulnerability scanning. Built by Semperis.
Webray RayScan: Integrated vulnerability scanner covering system, web, DB, baseline, and weak passwords. Built by Webray (盛邦安全).
The table above shows where their features, integrations, deployment and company size fit differ.
Semperis Purple Knight is made by Semperis. Webray RayScan is made by Webray (盛邦安全). 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 Webray RayScan are both Vulnerability Assessment products. Key differences: Semperis Purple Knight is Free while Webray RayScan 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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