International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
Cloud computing has been envisioned as the next generation style of computing for cost effective IT services. Cloud computing face the overwhelming challenges to ensure the proper physical, logical and personnel security controls, especially while moving huge volumes of data and software's to the large data centers. To protect clouds, CSP (Cloud Service Providers) must first secure virtualized data center resources, maintain user privacy, and preserve data integrity with virtualization technology, cloud computing offers diverse services (such as virtual computing, virtual storage, virtual bandwidth, etc.) for the public by means of multi-tenancy mode.