Black Duck Seeker IAST vs Crusader: Side-by-Side Comparison (2026)

Black Duck Seeker IAST: IAST solution for automated web app security testing in DevOps pipelines. built by Black Duck Software, Inc.. Core capabilities include Active verification technology for automatic vulnerability validation, Sensitive data tracking and flow analysis, API discovery and security scanning for REST, SOAP, and GraphQL..

Crusader: Local-first web security proxy for bug bounty with HTTP/2, mobile, and IDOR replay. built by Crusader Security. Core capabilities include HTTP/2 and WebSocket proxying with single CA for all transports, Repeater with automatic line-level response diffing, Attack Studio with anomaly clustering for fuzzing and ID sweeping..

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

Black Duck Seeker IAST differentiates with Active verification technology for automatic vulnerability validation, Sensitive data tracking and flow analysis, API discovery and security scanning for REST, SOAP, and GraphQL. Crusader differentiates with HTTP/2 and WebSocket proxying with single CA for all transports, Repeater with automatic line-level response diffing, Attack Studio with anomaly clustering for fuzzing and ID sweeping.

Black Duck Seeker IAST is developed by Black Duck Software, Inc.. Crusader is developed by Crusader Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Black Duck Seeker IAST integrates with Black Duck Binary Analysis, Black Duck Hub. Crusader integrates with Burp Suite (project import), Caido (project import), HAR files, Frida, ADB (Android Debug Bridge) and 5 more. Check integration compatibility with your existing security stack before deciding.

Black Duck Seeker IAST and Crusader serve similar Interactive Application Security Testing use cases: both are Interactive Application Security Testing tools, both cover Web Security. Review the feature comparison above to determine which fits your requirements.