Insider vs Secure Decisions ASTAM: Side-by-Side Comparison (2026)

Insider: Insider is an open-source CLI tool that performs static source code analysis to detect OWASP Top 10 vulnerabilities across multiple programming languages including Java, Kotlin, Swift, .NET, C#, and JavaScript..

Secure Decisions ASTAM: DHS-funded program providing automated AppSec tools across the SDLC. built by Secure Decisions. Core capabilities include Automated enumeration of hidden and unlinked web application endpoints via static analysis (ASD), Detection of optional parameters and data types for discovered endpoints, Attack surface difference generation to highlight changes between application versions..

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

Insider is open-source with 550 GitHub stars. Secure Decisions ASTAM is developed by Secure Decisions. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Insider and Secure Decisions ASTAM serve similar Static Application Security Testing use cases: both are Static Application Security Testing tools, both cover OWASP, DEVSECOPS. Key differences: Insider is open-source. Review the feature comparison above to determine which fits your requirements.