Date Added: Aug 2012
In this paper, the authors aim cloud computing as a new computing technology which provide efficient reliable, customized and isolated hardware network. Although, cloud computing industry promises tremendous prospects of market growth, for users of cloud services, cloud computing has a wide range of potential risks and safety issues in every field of era. This paper has a challenging cloud security issues for the better prospects of life in mobile cloud computing. It covers the key technologies of cloud computing, security challenge and problem in cloud computing, recent advances in cloud security. Most, they explore the "Middle ground", where users can still share physical hardware resource, but user networks are isolated and accesses are controlled in the way similar to that in enterprise networks.