Compare between different formal Cloud definition? Based on stale and standards? (include the NIST definitions) Hint: SP 800-145 September 2011 The NIST Definition of Cloud Computing write briefly on Cloud Computing Recommendations suggested by NIST . Hint: SP 800-146 May 2012 Cloud Computing Synopsis and Recommendations What are the Key Security and Privacy Issues? Hints: SP 800-144 December 2011 Guidelines on Security and Privacy in Public Cloud Computing .