Modern AWS environments move fast. Engineers spin up EKS clusters for testing, automation pipelines deploy to production, and AI agents trigger infrastructure workflows via Amazon Bedrock. AWS provides ways to manage access primitives such as roles and privileges to keep up with this velocity, such as STS AssumeRole, OIDC federation, IAM Authenticator, and Identity Center. But the challenge isn’t in these primitives themselves. It's the human factor behind the primitives.