User of Amazon Cloud computing service EC2 can now use IAM policies to set resource-Level permissions for EC2 which allow users to act on a limited set of resources within a larger, multi-user EC2 environment.
In addition Amazon will be rolling out other advanced security features that allow admins to control which users can reboot, start, stop and terminate which instances, and attach, delete and detach which EBS Volumes.
Read more her e- http://aws.typepad.com/aws/2013/07/resource-permissions-for-ec2-and-rds-resources.html
