IAAS-11: Protect a virtual cluster by creating a bastion host

Executive Summary: 
A researcher or educator wants to protect a virtual cluster on a cloud resource by using a prepared image to create a bastion host for the virtual cluster.
User Importance Summary: 
Cloud computing makes it easy for research and educators to construct virtual systems, but these people often lack the expertise to protect these system from attack. A prepared image for a bastion host simplifies the steps required to protect a virtual cluster.
Target Communities and Sizes: 
Researchers who set up virtual clusters on cloud resources - 100 < N < 1,000