Introduction to AWS Identity and Access Management (IAM)Go to Lab
Good basic lab to get the handle on what happens in a lab, with simple exercises.
Just an observation for AWS, you might want to create a way for each user to have their own dashboard and only show the resources they have the permissions to use. If a user doesn't have permissions to read/modify S3, then S3 should not be viewable.
simple but ok
it helps more