IAM Cross-Account Access and Audit
Build cross-account IAM access patterns with trust policies, permission boundaries, role assumption testing, and CloudTrail audit dashboards -- the SAP-C02 identity federation and access analysis pattern essential for Domain 3 (Design Secure Architectures).

Lab Overview
Implement a complete cross-account IAM access architecture following AWS security best practices. Create IAM roles with cross-account trust policies requiring ExternalId conditions, implement permission boundaries that constrain even admin-level access, test role assumption patterns including proper and denied scenarios, and build CloudWatch alarms and dashboards to audit access patterns via CloudTrail. Validate the full pipeline -- the identity federation and access audit pattern essential for SAP-C02 Domain 3.
What You'll Learn
Create IAM roles with cross-account trust policies and ExternalId conditions
Implement permission boundaries that constrain role permissions
Test STS role assumption with proper and denied scenarios
Audit access patterns using CloudTrail lookup and CloudWatch dashboards
Prerequisites
Understanding of AWS IAM roles, policies, and trust relationships
Familiarity with STS AssumeRole operation
Basic knowledge of CloudTrail and CloudWatch
Comfortable with AWS CLI
Technologies Covered
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