Author(s): Suneeta Mohanty, Mrinmoy Ganguly, Prasant Kumar Pattnaik

Cloud Computing Environment fulfils the computational requirements of individual, small organizations and large organizations with minimum cost. Generally, the data are the asset of the owners and the owner always concern about the security issue which they generally face while storing their data in the cloud. Once the data are stored in cloud, user loses his control over the data. Thus, the major security issues are to maintain data confidentiality(C), integrity(I) and availability(A) which forms the CIA triad. If CIA triad can be implemented in Cloud Computing Environment then Cloud Service Provider will be held accountable for cloud user's data confidentiality, integrity and availability. This paper addresses the availability issue which is not addressed in existing research paper to achieve accountability in Cloud.