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Dev.to
7/10/2026
The original title is 11 words: "Give Your Auditor AWS Access — Without Sharing a Single Credential"

The original title is 11 words: "Give Your Auditor AWS Access — Without Sharing a Single Credential"

Original: Give Your Auditor AWS Access — Without Sharing a Single Credential

Short summary

A practical guide to giving external auditors AWS access via cross-account IAM roles instead of sharing credentials. The pattern uses STS AssumeRole with an External ID guard, temporary sessions, read-only permissions, and full CloudTrail logging. Two CloudFormation templates are provided for single-account and AWS Organization deployments.

  • •Use cross-account IAM roles instead of sharing access keys or IdP credentials
  • •External ID protects against confused deputy attacks; all sessions are temporary and logged
  • •Two CloudFormation templates provided for quick deployment in single or org-wide setups

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