A new-fangled technology that is ruling other types of technologies in IT industry, Cloud Computing is defined as computing based on internet, which allows people to access various data & applications through internet. Cloud computing consists a large pool of systems that are connected in private or public networks that work together to provide dynamic infrastructure for storage. Cloud computing is a big shift from the traditional way of thinking and is being rapidly adopted by businesses of all sizes, industries, & organisations all around the world. From creating new apps & services, to hosting websites & blogs, etc. one can perform multifarious activities with the assistance of cloud computing. The features that make cloud computing extremely popular are: