| Sumario: | Grid computing is the ultimate solution believed to meet the ever expanding computational needs of organizations. Nevertheless, privacy and integrity is the essential need of a user who runs applications from a remote machine on the grid where resource sharing is the main concern. Local host machine also needs same assurance with respect to client data and the jobs that execute on the host. As a result, data and applications security with the associated risks are the main concerns of grid computing usage. However, analysis of the various possible risks in order to evaluate and develop solution to resolve the risks is needed. Therefore addressing security threats in grid is an issue. The purpose of this paper is to explore the security problems in grid computing and review the risk factors that are highlighted in literature. The paper concludes that; there is need for further taxonomy of risk factors that are associated with computational grid. It also classifies the security risks that affect the grid computing.
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