Security-as-a-Service From Clouds :A Survey of Various Options
Cloud computing is a nascent and rapidly evolving model, with new aspects and capabilities being added regularly by researchers around the world. Cloud computing has its roots in large-scale distributed computing technology. It is in fact an extension of grid computing, distributed computing, and parallel computing. Cloud services delivery model provides Infrastructure-as-a-service, Platform-as-a-service, and Software-as-a-service. It is also being extended to provide Security-as-a-service. In Security-as-a-service model the focus is on security provided as cloud services; i.e., security delivered through the cloud.