Review of Security Models Applied to Distributed Data Access

In this paper, we explore the technologies behind the security models applied to distributed data access in a Grid environment. Our goal is to study a security model allowing data integrity, confidentiality, authentication and authorization for VO users. We split the process for data access in three levels: Grid authentication, Grid authorization, local enforcement. For each level, we introduce at least one possible techno-logical solution. Finally, we show our vision of a SOA oriented security framework. This work is developed as part of the CoreGRID Network of Excellence, for the Institute on Knowledge and Data Management.