IAM User sign-in support for the AWS Management Console and AWS Developer Forums
Users created through IAM can now take advantage of AWS features such as the AWS Management Console and the developer forums. An AWS Account owner can create all the credentials Users need to sign in, and Users can access the AWS Management Console and AWS Developer Forums. (An IAM User will not be able to view any AWS Account activity information or interact with the Premiums Support pages.) For more information, go to Using the AWS Management Console in Using AWS Identity and Access Management.
The AWS-wide policy key aws:SecureTransport is not recognized by EC2
EC2 will not correctly accept requests coming in over SSL if the AWS-wide policy key aws:SecureTransport has been defined in the access policy. The call will fail and be closed.