International Journal on Computer Science and Technology (IJCST)
Cloud computing refers to the use and access of multiple server based computational resources via a digital network (WAN, Internet connection using the World Wide Web, etc.). Cloud users may access the server resources using a computer or other device. In cloud computing, applications are provided and managed by the cloud server and data is also stored remotely in the cloud configuration. Users do not download and install applications on their own device or computer; all processing and storage are maintained by the cloud server. Security is the major problem in Cloud as its open to many users.