Distributed computing is web based figuring which empowers offering of administrations. Numerous clients put their information in the cloud. In any case, the way that clients no more have physical ownership of the perhaps expansive size of outsourced information makes the information trustworthiness insurance in distributed computing an exceptionally difficult and possibly imposing undertaking, particularly for clients with obliged processing assets and proficiencies. So rightness of information and security is a prime concern. This paper considers the issue of guaranteeing the uprightness and security of information stockpiling in cloud computing.