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. Core capabilities include Vulnerability scanning for consumer and enterprise software, Automated scan initialization, Vulnerability reporting..

Semperis Purple Knight: Free AD, Entra ID, and Okta security assessment tool for vulnerability scanning. built by Semperis. Core capabilities include Scans for 185+ indicators of exposure and indicators of compromise, Security assessment for Active Directory, Entra ID, and Okta, Security report card with scores across five categories..

Both serve the Vulnerability Assessment market but differ in approach, feature depth, and target audience.

Greenbone OPENVAS BASIC differentiates with Vulnerability scanning for consumer and enterprise software, Automated scan initialization, Vulnerability reporting. Semperis Purple Knight differentiates with Scans for 185+ indicators of exposure and indicators of compromise, Security assessment for Active Directory, Entra ID, and Okta, Security report card with scores across five categories.

Greenbone OPENVAS BASIC is developed by Greenbone AG. Semperis Purple Knight is developed by Semperis. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Greenbone OPENVAS BASIC and Semperis Purple Knight serve similar Vulnerability Assessment use cases: both are Vulnerability Assessment tools, both cover Active Directory. Key differences: Greenbone OPENVAS BASIC is Commercial while Semperis Purple Knight is Free. Review the feature comparison above to determine which fits your requirements.