Fortra VM vs Semperis Purple Knight: Side-by-Side Comparison (2026)

Fortra VM: Risk-based vulnerability management platform for scanning and prioritization. built by Fortra. Core capabilities include Vulnerability scanning and identification, Risk-based vulnerability prioritization, Threat ranking based on real-world exploitation vectors..

Semperis Purple Knight: Free AD, Entra ID, and Okta security assessment tool for vulnerability scanning. built by Semperis..

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

Fortra VM is developed by Fortra. Semperis Purple Knight is developed by Semperis. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Fortra VM and Semperis Purple Knight serve similar Vulnerability Assessment use cases: both are Vulnerability Assessment tools. Key differences: Fortra VM is Commercial while Semperis Purple Knight is Free. Review the feature comparison above to determine which fits your requirements.