John R. Vacca 
Security in the Private Cloud [PDF ebook] 

This comprehensive handbook serves as a professional reference and practitioner’s guide to today’s most complete and concise view of private cloud security. It explores practical solutions to a wide range of private cloud computing security issues. The knowledge imparted will enable readers to determine whether the private cloud security solution is appropriate for their organization from a business and technical perspective, to select the appropriate cloud security model, and to plan and implement a cloud security adoption and migration strategy.