Oracle Identity Management is major security infrastructure component of Oracle Fusion Applications .

Oracle Fusion Applications leverage Oracle Identity Management for foundation security services; identity administration (identity life cycle management, self-service account request and password management, enterprise role management); authentication and trust management (single sign-on, identity federation, privacy); access control (risk-based authorization, fine-grained entitlements, web services security); identity and access governance (audit and compliance reporting, segregation of duties, conflict-resolution management, attestation, role mining and engineering, identity and fraudprevention analytics); and directory services (persistent storage, identity virtualization,synchronization, and database-user security).

For detailed explanation of Oracle Identity Mangements integration with Oracle Fusion Applications refer this whitepaper ^[1] published by Oracle.