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June 12, 2026

Cross-Account IAM Roles: Auditing with Access Analyzer

19 minutes

Auditing cross-account IAM roles is one of those senior interview topics where vague answers kill your chances — here's how to use AWS IAM Access Analyzer and Policy Sentry to give a precise, credible response.

You'll learn:

How IAM Access Analyzer detects externally accessible roles and flags unintended cross-account trust relationships

How Policy Sentry helps you write and audit least-privilege IAM policies by mapping actions to resource ARNs

The difference between resource-based and identity-based policy analysis — and why interviewers expect you to know both

How to interpret Access Analyzer findings and translate them into remediation steps during a live interview

Common gotchas: why a role with no findings isn't necessarily safe, and how SCPs interact with cross-account access

Keywords: cross-account IAM roles, AWS IAM Access Analyzer, Policy Sentry, least privilege IAM, cloud security interview questions

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By https://DevOpsInterview.Cloud