The cloud computing is visualized as next generation framework for IT enterprise. The technology shifts the software and database to huge fixed central centers where the data management and services are not trustworthy. The technology gives rise to challenges in security which is of prime focus. The study focuses on ensuring security in storing data into cloud system. The third party auditor is allowed on behalf of cloud user for verifying the integrity of dynamicity of data stored into cloud. The third party auditor removes the participation of users through auditing of whether the data hoarded into cloud is certainly intact which is important in achieving the economy for cloud computing. The dynamicity in data is achieved via general forms of data like chunk alteration inclusion and removal which is a significant because the services in cloud systems are not limited for archiving the data. The conventional schemes on assuring data integrity do not support public audits or data dynamicity. The problems in identifying the complexity and security with updates in dynamic data from the earlier works and paved a way for designing a verification scheme for aggregating the above features. In order to achieve data dynamics and for supporting multiple auditing tasks a technique for combining signature are proposed which performs the task of auditing continuously. The security and performance analysis of the proposed scheme are effective and secure.
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