Mend DAST vs Start Left® Security DAST: Side-by-Side Comparison (2026)

Mend DAST: Dynamic application security testing tool for runtime vulnerability detection. built by Mend.io. Core capabilities include Runtime vulnerability detection in web applications, API security testing, Repository integration for CI/CD workflows..

Start Left® Security DAST: DAST tool that tests running apps for runtime vulnerabilities via attack simulation. built by Start Left® Security. Core capabilities include Dynamic testing of running applications to identify runtime vulnerabilities, CI/CD pipeline integration for early-stage security testing, Real-world attack simulation against live application environments..

Both serve the Dynamic Application Security Testing market but differ in approach, feature depth, and target audience.

Mend DAST differentiates with Runtime vulnerability detection in web applications, API security testing, Repository integration for CI/CD workflows. Start Left® Security DAST differentiates with Dynamic testing of running applications to identify runtime vulnerabilities, CI/CD pipeline integration for early-stage security testing, Real-world attack simulation against live application environments.

Mend DAST is developed by Mend.io. Start Left® Security DAST is developed by Start Left® Security. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Mend DAST and Start Left® Security DAST serve similar Dynamic Application Security Testing use cases: both are Dynamic Application Security Testing tools, both cover DAST, CI/CD, DEVSECOPS. Review the feature comparison above to determine which fits your requirements.