implementing-aws-iam-permission-boundaries

Prevent privilege escalation by attaching IAM permission boundaries to developer-created roles, capping allowed actions. This enforces least privilege by ensuring no role can exceed its defined boundary, stopping overly broad privileges across multi-account environments.

Audit AWS IAM roles for missing permission boundaries by running automated checks against existing roles. This identifies roles lacking boundaries and produces a compliance report aligned with NIST CSF and Well-Architected standards for governance.

An AWS IAM permission boundary is a policy that caps the maximum permissions an IAM role can have. You need it when delegating role creation to developers to enforce least privilege and prevent privilege escalation in multi-account environments.

Yes, this IAM permission boundary automation works with multi-account environments. It validates ongoing boundary enforcement across multiple AWS accounts, applying boundaries to developer-created roles and generating compliance reports.

Generate and attach IAM permission boundary policies using boto3 by running the automation script to define boundaries, attach them to developer roles, and validate enforcement. The script automates policy creation and attachment for AWS IAM roles.

IAM permission boundaries cap maximum permissions but do not replace granular policy management. Limitations include the need for continuous auditing across multiple accounts and ensuring developer workflows integrate boundary attachment to maintain compliance and prevent privilege escalation.