Penetration Testing Your AWS Environment – A CTO’s Guide

So, you’ve been thinking about getting a Penetration Test done on your Amazon Web Services (AWS) environment. Great! What should that involve exactly? 
There are many options available, and knowing what you need will help you make your often limited security budget go as far as possible. Broadly, the key focus areas for most penetration tests involving AWS:

Your externally accessible cloud

Source:: The Hackers News