A. Attach an Organizations SCP with an explicit deny for all iam:CreateAccessKey actions with a condition that excludes StringEquals for aws:username with a value of the exception list.
B. Attach an Organizations SCP with an explicit deny for all iam:CreateUser actions with a condition that includes StringNotLike for aws:username with a value of the exception list. Most Voted
C. Create an Amazon EventBridge (Amazon CloudWatch Events) rule with a pattern that matches the iam:CreateAccessKey action with an AWS Lambda function target. The function will check the user name and account against an exception list. If the user is not on the exception list, the function will delete the user.
D. Create an Amazon EventBridge (Amazon CloudWatch Events) rule with a pattern that matches the iam:CreateUser action with an AWS Lambda function target. The function will check the user name and account against an exception list. If the user is not on the exception list, the function will delete the user.