Security consistently emerges as a top concern with IT administrators and users when surveyed on transitioning to a cloud infrastructure. To initiate cloud usage, security concerns must be addressed--however, security and improved usability will be what keeps the cloud around. We address in this paper security and usability issues and opportunities with the Department of Defense transitioning to a cloud infrastructure. The major contributions of this paper are three enablers for a secure and usable DoD Cloud infrastructure. We also contribute a transition plan for organizations in terms of four milestones in cloud adoption, assuming that the necessary secure and usable Cloud infrastructure exists at each milestone. We present three perspectives throughout the paper: The DoD in designing its Cloud, industry efforts to support the Cloud, and organizations joining the Cloud.
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