A developer cloud should offer several measures of security to ensure that each user's data, applications, and network remain private. Given that virtualization technologies revolve around resource sharing, it is even more important to provide security at different levels in a developer cloud. In parallel, the integrity of the machines implementing the developer cloud should be ensured at all times in order to detect, prevent, and avoid any attacks from intruders.
For more information see: http://www.oracle.com/technetwork/systems/hands-on-labs/hol-oracle-solaris-remote-lab-1894053.html