Date Added: Feb 2012
Cloud Computing is the new buzz word in today' s computing world. Although there is huge buzz, many people are confused as to exactly what cloud computing is, especially as the term can be used to mean almost anything. The paper is categorized in three parts. The first part of this paper briefly explains the cloud computing model. The second part of paper follows a discussion on what security threats and challenges pose in front of this technology. While the final part focuses on how virtualization plays an important role in cloud computing and talks about techniques for securing the virtual machines over the cloud.