Cloud computing is a model for enabling ubiquitous network access to a shared pool of configurable computing resources. Cloud computing and storage solutions provide users and enterprises with various capabilities to store and process their data in third-party data centers. It relies on sharing of resources to achieve coherence and economies, similar to a utility over a network. At the foundation of cloud computing is the broader concept of converged infrastructure and shared services. The book discusses the types of proposed storage security approach facilities to maintain data integrity at the untrusted server. The user can resort to a third party auditor to check the integrity of outsourced data and be worry free because user does not physical present at all time. The proposed storage security scheme also assures recovery of data files, in case of data loss or corruption. To recover of that block or file to maintain data availability in the cloud server. It supports data dynamics where the user can perform different operations, where multiple cloud client requests for storage correctness will be handled simultaneously which decrease communication and also computing cost.