Data protection has been concern for majority of the organization. Pertaining to the various researches that has been published regarding the security issue in the cloud architecture, till now there has not been any discussion regarding the role of Cloud Security Manager in any of them. Cloud security manager or CSM being the pivot of this whole process is an important point in this Cloud architecture. CSM role must be clearly defined and communicated. In this paper, the authors' primary concern is regarding the practices that must be followed by the CSM and also the necessary guidelines that should be followed in order to maintain the security and authenticity of the client's data.