This document provides the security guide for Oracle Business Intelligence Enterprise Edition 11g Release 1 (11.1.1). It discusses authentication, authorization, and the default users, groups, and roles installed. It also describes the tools used to configure security - Oracle WebLogic Server Administration Console, Oracle Fusion Middleware Control, Oracle BI Administration Tool, and the Administration page in Oracle BI Presentation Catalog. Finally, it provides detailed steps for setting up security and managing security using the default configuration.