1. Cloud Security Alliance (Online), https://cloudsecurityalliance.org/topthreats (viewed December 21, 2011)
2. Europe Network and Information Security Agency (Online), http://www.enisa.europa.eu/act/rm/files/deliverables/cloud-computing-risk-assessment (viewed January 21, 2012)
3. Microsoft Security Bulletin MS10 (Online), www.microsoft.com/technet/security/bulletin/ms10-070.mspx (updated October 26, 2011)
4. Security of data (Online), http://news.cnet.com/8301-138463-20052571-62 (viewed July 02, 2011)
5. Security labs Blog (Online), http://securitylabs.websense.com/content/Blogs/3402.asp (viewed November 21, 2011)