Halo Security Server Scanning is a commercial vulnerability assessment solution by Halo Security. Semperis Purple Knight is a free vulnerability assessment solution by Semperis. Features, integrations, deployment and the company behind each one, side by side.
External server vulnerability scanning for CVEs, patches, and misconfigurations
Free AD, Entra ID, and Okta security assessment tool for vulnerability scanning
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Semperis Purple Knight fits if you need a free product.
Common questions when comparing Halo Security Server Scanning vs Semperis Purple Knight for vulnerability assessment.
Halo Security Server Scanning: External server vulnerability scanning for CVEs, patches, and misconfigurations. Built by Halo Security.
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.
Halo Security Server Scanning is made by Halo Security. 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. Halo Security Server Scanning and Semperis Purple Knight are both Vulnerability Assessment products, and both cover Misconfiguration. Key differences: Halo Security Server Scanning is Commercial while Semperis Purple Knight is Free. 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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