AWS IAM Access Analyzer vs IAM Zero: side-by-side comparison (2026)

AWS IAM Access Analyzer: AWS IAM Access Analyzer is a tool for implementing and maintaining least privilege access in AWS environments through automated analysis and validation of IAM policies and permissions. Built by Amazon Web Services, Inc.

IAM Zero: IAM Zero detects identity and access management issues and automatically suggests least-privilege policies by analyzing application errors and access patterns in cloud environments.

The table above shows where their features, integrations, deployment and company size fit differ.

AWS IAM Access Analyzer is made by Amazon Web Services, Inc. IAM Zero is open-source with 259 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. AWS IAM Access Analyzer and IAM Zero are both CIEM products, and both cover Least Privilege, Policy, AWS. Key differences: AWS IAM Access Analyzer is Commercial while IAM Zero is Free, IAM Zero is open-source. Use the table above to see where features, deployment and company size fit differ.