Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort or service provider interaction. Cloud computing recently emerged as a promising solution to information technology (IT) management. IT managers look to cloud computing as a means to maintain a flexible and scalable IT infrastructure that enables business agility. As much as the technological

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... benefits, cloud computing also has risks involved. In this paper Cloud Computing security challenges will be discussed and proposed many new recommendations to increase security and trust also maintaining privacy.