For the sake of simplicity, Furht's definition adequately summarizes the essen- tials of cloud computing: "Cloud computing can be defined as a new style of com- puting in which dynamically scalable and often virtualized resources are provided as a service over the Internet" (Furht 2010, p. 3). Cloud computing capabilities are usually categorized into three areas: (1) laaS--Infrastructure as a Service represents the computing layer of physical hardware, servers, and networking components; (2) Paas-Platform as a Service provides an environment and framework (system), including development tools, in which software applications can be run,