Federal University of Technology
Computing applications and data are growing so rapidly that increasingly larger servers and data centre are needed for fast processing within the required time. A fundamental shift in the way Information Technology (IT) and computing services are being delivered and purchased results in the development of cloud computing. The out of control cost of power in terms of electricity generation, personnel hardware and limited spaces in data centers have encouraged a significant number of enterprises to move more infrastructures into a third party provided Cloud. However, Cloud computing requires that organizations trust that a service provider's platforms are secured and provide a sufficient level of integrity for the client's data.