Perimeter VRM vs Tenchi Zanshin: Side-by-Side Comparison (2026)

Perimeter VRM: End-to-end vendor risk management platform with AI-powered doc analysis. built by Perimeter. Core capabilities include Automated vendor risk assessments with customizable templates, AI-powered document analysis and intelligence (Extract), Attack surface validation and monitoring (Verify)..

Tenchi Zanshin: Third-party cyber risk mgmt platform with continuous monitoring & remediation. built by Tenchi Security. Core capabilities include Continuous automated daily security testing of third parties, Third-party security posture monitoring, External attack surface visibility for vendors..

Both serve the Third-Party Risk Management market but differ in approach, feature depth, and target audience.

Perimeter VRM differentiates with Automated vendor risk assessments with customizable templates, AI-powered document analysis and intelligence (Extract), Attack surface validation and monitoring (Verify). Tenchi Zanshin differentiates with Continuous automated daily security testing of third parties, Third-party security posture monitoring, External attack surface visibility for vendors.

Perimeter VRM is developed by Perimeter. Tenchi Zanshin is developed by Tenchi Security. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Perimeter VRM and Tenchi Zanshin serve similar Third-Party Risk Management use cases: both are Third-Party Risk Management tools. Review the feature comparison above to determine which fits your requirements.