An Overview on Security Issues in Cloud Computing

Cloud Computing, a rapidly developing information technology has aroused the concern of the whole world. Cloud Computing is Internet-based computing, whereby shared resources, software and information are provided to computers and devices on-demand, like the electricity grid. Cloud Computing is the product of the fusion of traditional computing technology and network technology like grid computing, distributed computing parallel computing and so on. It aims to construct a perfect system with powerful computing capability through a large number of relatively low-cost computing entity, and using the advanced business models like SaaS (Software as a Service), PaaS (Platform as a Service), IaaS (Infrastructure as a Service) to distribute the powerful computing capability to end the users' hands.