Cloud computing is used from start-ups to SMSE’s to large organizations as a time friendly and convenient system resource. Deployment Model is further categorized into Public, Private, and Hybrid Model while Service Model is categorized as Software-as-a-Service (SaaS), Platform-as-a-Service (PaaS) Infrastructure-as-a-Service (IaaS). Cloud computing is used in numerous areas like private storage, administrations, communications, business processes, and applications.