Semperis Purple Knight vs ZEST Security: Side-by-Side Comparison (2026)

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..

ZEST Security: Agentic cloud exposure management platform with AI-driven remediation. built by ZEST Security. Core capabilities include AI-generated remediation fixes including Terraform code for cloud misconfigurations, Cloud vulnerability detection and remediation, Attack path identification and resolution..

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

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. ZEST Security differentiates with AI-generated remediation fixes including Terraform code for cloud misconfigurations, Cloud vulnerability detection and remediation, Attack path identification and resolution.

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

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