1. Claybrook , B. 2010 Cloud vs. in-house: Where to run that app? Computer World http://www.computerworld.com/article/2520140/networking/cloud-vs--in-house--where-to-run-that-app-.html
2. Cloud Security Alliance 2009 Security Guidance for Critical Areas of Focus in Cloud Computing V2.1 https://cloudsecurityalliance.org/csaguide.pdf
3. Cloud Security Alliance 2010 Top Threats to Cloud Computing V1.0 http://cloudsecurityalliance.org/topthreats/csathreats.v1.0.pdf
4. Cloud Security Alliance 2013 The Notorious Nine: Cloud Computing Top Threats in 2013, Cloud Security Alliance https://downloads.cloudsecurityalliance.org/initiatives/top_threats/The_Notorious_Nine_Cloud_Computing_Top_Threats_in_2013.pdf