1. B. Schneier, M. Ranum, 2009, Face-off: assessing cloud computing risks retrieved 9 MAY 2011, from http://searchcloudsecurity.techtarget.com/video/Face-off-Assessing-cloud-computing-risks.
2. Cloud computing: changing cogitation about computing;Boroujerdi;World Academy of Science, Engineering and Technology,2009
3. R. Buyya, C.S. Yeo, S. Venugopal, Market-oriented cloud computing: vision, hype, and reality for delivering it services as computing utilities, 2008.
4. Cloud computing and emerging IT platforms: vision, hype, and reality for delivering computing as the 5th utility;Buyya;Future Generation Computer Systems,2009
5. Benefits, risks and recommendations for information security;Catteddu;European Network and Information Security Agency (ENISA),2009