If you do nothing else, make sure you read and adhere the AWS Cloud essentials on this page whilst designing and building your AWS infrastructure.
To get more general information on the basics of the AWS Cloud and what you should consider click here to see our AWS Consultancy section.
The following were taken from a May 2015 Amazon Web Services Blog 'AWS Best Practices: five key approaches to get you started':
- protect your AWS credentials
- secure your Applications
- backup a lot and test your recovery resources before you need them
- use the Trusted Advisor
- understand the AWS Shared Responsibility Model