摘要: Cloud Computing has been visualized as the next generation technology of IT industries. The cloud is a platform where data owner can remotely store their in to avail high quality applications and services. model services are provided user through service provider (CSP) on pay per use basis. CSP manages client at centre. security safety issues major challenge before computing technology. well managed issue provides better build trust consumers transfer into cloud. There many aspects pertaining such integrity, confidentiality, privacy. These components affect performance environment. In this paper attempt made review from point view challenges more specifically storage