Data Theorem Web Secure vs Qualys TotalAppSec: Side-by-Side Comparison (2026)

Data Theorem Web Secure: Full-stack web app security testing platform with SAST, DAST, SCA, and pentesting. built by Data Theorem. Core capabilities include Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), Software Composition Analysis (SCA) with SBOM..

Qualys TotalAppSec: Cloud-based DAST solution for web app & API security with AI-powered scanning. built by Qualys. Core capabilities include Automated web application and API discovery across on-premises and multi-cloud environments, DAST scanning for OWASP Top 10 and OWASP API Top 10 vulnerabilities, PII and sensitive data exposure detection for GDPR, PCI DSS, and HIPAA compliance..

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

Data Theorem Web Secure differentiates with Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), Software Composition Analysis (SCA) with SBOM. Qualys TotalAppSec differentiates with Automated web application and API discovery across on-premises and multi-cloud environments, DAST scanning for OWASP Top 10 and OWASP API Top 10 vulnerabilities, PII and sensitive data exposure detection for GDPR, PCI DSS, and HIPAA compliance.

Data Theorem Web Secure is developed by Data Theorem. Qualys TotalAppSec is developed by Qualys. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Data Theorem Web Secure and Qualys TotalAppSec serve similar Dynamic Application Security Testing use cases: both are Dynamic Application Security Testing tools, both cover DAST, Web Security. Review the feature comparison above to determine which fits your requirements.