AWS

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PHP Forum

Whitepapers
AWS: Risk and Compliance - AWS Overview of Security Processes

Resources 
My AWS Musing - How to create an ebs image from an existing ec2 instance - Create EBS Boot AMI - Creating a New Image for EC2 by Rebundling a Running Instance

Misc
AWS Achieves PCI DSS 2.0 Validated Service Provider Status

EBS Instances
Explicitly launch the instance with the "delete on termination" flag set to 'false' -- which you can specify in the ec2-run-instances command line -- so that the volume survives instance termination. This way if the instance crashes your data survives.