How to start learning the security audit under Windows Powershell?

I've learned that Powershell is a powerful security audit tool, but I do need some resources, larger zone names whose security audit can be done at the same time. Powershell help. I know it's not a specific question, but the answer can help millions of people like me who want to learn Powershell only for security audit purposes and NOT to become a Powershell administrator.