AWS’ Chief Information Security Officer Stephen Schmidt released this presentation last week on slideshare.net. At 27 pages, this presentation is packed full of excellent content and great information on the direction AWS is going on for ensuring security and compliance. He discusses certifications, SAS70 Type II security, physical security, Amazon EC2, network, S3, Simple DB, and SQS security topics as well. He also covers CloudFront and Elastic MapReduce security initiatives and plans.
It is a great tutorial to the strategies and initiates AWS is pursuing to make their platforms scalable, secure and reliable. Be sure to check out this page on the AWS site for more information on security: http://aws.amazon.com/security.