cfn-nag vs Gecko Security: Side-by-Side Comparison (2026)

cfn-nag: cfn-nag is a static analysis tool that scans AWS CloudFormation templates to identify security vulnerabilities and misconfigurations in infrastructure-as-code..

Gecko Security: AI-native SAST platform finding multi-step & business logic vulns in code. built by Gecko Security..

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

cfn-nag is open-source with 1,288 GitHub stars. Gecko Security is developed by Gecko Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

cfn-nag and Gecko Security serve similar Static Application Security Testing use cases: both are Static Application Security Testing tools, both cover CI/CD, DEVSECOPS, Security Scanning. Key differences: cfn-nag is Free while Gecko Security is Commercial, cfn-nag is open-source. Review the feature comparison above to determine which fits your requirements.