Abstract: Cloud computing has frequent possible focal points and undertaking applications and information are moving to open or cross breed cloud. Distributed computing guarantees bring down costs, quick scaling, less demanding support and administration accessibility anyplace and whenever. However in regards to some business-basic applications, the associations, particularly vast activities, still wouldn’t move them to cloud. The market estimate the cloud computing offer is still a long way behind the one anticipated. From the buyer’s point of view, cloud computing security concerns, particularly information security and protection assurance issues, remain the essential inhibitor for reception of cloud computing administrations. A late microsoft overview found that “58 % of general society and 86% of business pioneers are amped up for the conceivable outcomes of cloud computing. Be that as it may, more than 90 %of them are stressed over security, accessibility and protection of their information as it rests in the cloud”. A key test is how to guarantee to produce certainty that the cloud can handle client information safely. The purpose of data safety is to ensure secrecy guard, so that, no personal data will be lost or revealed without proper permission.