Abstract-The cloud computing features aim at providing security and confidentiality to its customers. The business officials have gained maximum profit using the cloud environment. Therefore the critical data moving to and from the cloud server must be secured. The security and confidentiality issue is the most critical challenge that we are facing in today's world of the cloud environment. The business officials have gained maximum profit accessing the cloud environment. Before the disaster occurrence, the critical data moving to and from the cloud must be preserved. The privacy preservation and cloud security issue is the most serious issue that we are facing in today's world in cloud era.