Design of grid portal security system

Grid security problem is one of the core issue of grid portal. Only provides strong grid security system, grid portal can have a continuous growth, just have a certain application value, can guarantee the grid users who use various resources and services safely which the grid provided. This paper first analyzes the grid portal security demand, and then design a grid portal security system, finally we research and design its realization technology based on the user login security, resource scheduling security, data transmission safety and data safety operation the four aspects.