IAMSpy vs Sonrai Cloud Permissions Firewall: Side-by-Side Comparison (2026)

IAMSpy: IAMSpy is a library that uses the Z3 prover to analyze AWS IAM policies and query whether specific actions are allowed or denied..

Sonrai Cloud Permissions Firewall: Automates least privilege enforcement in cloud via centralized policies & ChatOps. built by Sonrai Security. Core capabilities include Automated generation of least privilege policies based on usage analysis, Unused identity quarantine with permission preservation, Third-party access visibility and blocking via centralized policies..

Both serve the CIEM market but differ in approach, feature depth, and target audience.

IAMSpy is open-source with 222 GitHub stars. Sonrai Cloud Permissions Firewall is developed by Sonrai Security. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

IAMSpy and Sonrai Cloud Permissions Firewall serve similar CIEM use cases: both are CIEM tools, both cover AWS. Key differences: IAMSpy is Free while Sonrai Cloud Permissions Firewall is Commercial, IAMSpy is open-source. Review the feature comparison above to determine which fits your requirements.