Trend Micro Deep Security is now available as a Service on AWS Marketplace, enabling organizations to combine the benefits of security software-as-a-service (SaaS) with the convenience of consolidated payments through their Amazon Web Services (AWS) bill.
The PCI level 1 certified Deep Security service provides per-hour pricing for added protection of Amazon Elastic Compute Cloud (Amazon EC2) instances.
http://www.trendmicro.com/aws