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Cloud computing prevails over the entire world which makes the mankind to trust more on a number of online storage systems to back up data in which resources of the computing infrastructure are provided as services over the Internet gives an wherever, anytime access. Thus lot of complex data will be warehoused into the cloud, as promising as it is, this paradigm also brings forth many new challenges for data security and access control is maintained when users outsource complex data which are shared in the cloud servers, which are not placed in the same reliable domain as data owners. The user's data are stored and maintained with it concerns of security vulnerabilities for all the services. There is a research work being done to point out the issues with the service providers and cloud security. This paper provides a privacy-preserving data integrity protection by enabling public auditability for cloud storage …