There is a strange behavior of OIM 11.1.2.3, which appears to still be present in 12c, that causes unexpected password changes on accounts.
Creating an Identity System to handle Multi-valued attributes
Organizations in verticals such as Higher Education have requirements around multi-affiliation and multi-valued identity data.
OIM and Weblogic vulnerability
Weblogic and OIM are vulnerable to Java deserialization attacks over the network.
Automated OIM Configuration Deployments
A majority of organizations implementing Oracle Identity Manager (OIM) struggle with migration and deployment procedures. Migrating a newly developed connector often involves many manual steps, and can result in problems such as a missed deployment steps, importing wrong versions, etc.