Abstract: “Data security means ensuring that data is kept safe from corruption and that access to it is suitably controlled. It helps in protecting the individual data. This paper focused on cloud data security. Cloud Computing moves the application software and databases to the large data centers, where the management of the data and services are fully trustworthy. The security objectives of an organization are a key factor for decisions about outsourcing information technology services and, in particular, for decisions about transitioning data, applications, and other resources to a public cloud computing environment. The information technology governance practices of the organizations that pertain to the policies, procedures, and standards used for application development and service provisioning, as well as the design, implementation, testing services, should be extended to cloud computing environments. Security and privacy issues are presented in this paper when cloud computing is implemente”

Keywords: Cloud computing, Virtualization, Distributed Computing, management System.