Greenbone OPENVAS BASIC vs Semperis Purple Knight: side-by-side comparison (2026)

Greenbone OPENVAS BASIC: Entry-level vulnerability management solution for small and medium businesses. Built by Greenbone AG.

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.

Greenbone OPENVAS BASIC is made by Greenbone AG. 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. Greenbone OPENVAS BASIC and Semperis Purple Knight are both Vulnerability Assessment products, and both cover Active Directory. Key differences: Greenbone OPENVAS BASIC is Commercial while Semperis Purple Knight is Free. Use the table above to see where features, deployment and company size fit differ.