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We're moving toward a unified LocalStack for AWS image, updating how access works. For details on timing and impact please refer to this blog post.

Overview

Security Testing in LocalStack allows you to enforce and validate IAM policies in a local environment that closely mirrors real AWS behavior. This helps you catch misconfigurations, uncover missing permissions, and confidently test access control logic.

LocalStack supports the following security testing features:

  • Enforce IAM policies to simulate realistic permission boundaries in your application
  • Retrieve Policy engine logs for debugging and understanding how policies are evaluated
  • Apply IAM policy streams to discover required permissions and resolve access issues efficiently