7MITRE.The Cloud Computing Series[EB/OL].[2010-05-18] http://www, mitre, org/work/info_tech/cloud_comput ing t echnica I_paper s/index, htm l.
8CIO Council. State of Public Sector Cloud Computing[S/ OL]. (2010-03-20)[ 2011-05-18]. http://www, info. apps. gov/sites/default/f iles/StateOfCIoudComput ingRepor t- FINALv3_508. pdf.
9NIST.The NIST Definition of Cloud Computing (Draft)= Recommendations of the National Institute of Standards and Technology[S/OL]. 2010[2011 -O5-18]. http://csrc, hist.gov/publ icat ions/draft s/800-145/Draft-SP-800-145_cloud- definition.pdf.
10NIST. Information Security:Guide for Applying the Risk Management Framework to Federal Information Systems[S/ OL]. 201012011-05-18]. http://csrc.nist.gov/publica- t i ons/nist pubs/800-37-rev 1/sp800-37-r ev 1 -final. pdf.