Journal of Theoretical and Applied Information Technology
Grid computing involves in the process of forming dynamic virtual organizations and associated resources in which the security is an important factor. Grid computing, is a distributed computing model in which new kind of systems are combined to form a heterogeneous computational resources such as computers, storage space, sensors, and experimental data. The grid can seamlessly, transparently and dynamically supply the computing and data resources when a user wants to request them. In recent years, security issues have become an important concern for grid computing.