Security issues for GRID systems

Grid is a hardware and software infrastructure which allows the sharing of flexible, secure and coordinated resources among dynamic collections of individuals, organizations and resources. The resources that are utilized in a Grid network are complex. There could be computing resources (PDA, PCs, workstations, servers, and clusters), storage resources (hard-disks, memory), Input-Output resources (sensors, networks, printers) or logical resources (users, timers etc) [1]. With the evolution of Grid systems and with the high capacity data transfer, will occur security issues. This topic is known in the Grid field as some of the necessary element to ensure the safeguard of the resources. Networks are recognized as a critical infrastructure which grew over the years and which continues to grow, because of the increasing dependence on computer systems. The first step in addressing this infrastructure is to understand it. After that, a good analyze should be done in order to avoid the attacks that could occur and to maintain a reliable network [2].