USC Central Authentication Service (CAS)

Login Credentials Required

If you receive an ACCESS DENIED message, please visit and click the Account Settings field to setup multifactor authentication.


USC Authentication System

If you have already signed up for multifactor authentication under, use one of the following to login:
  • Network Username - This is primary method enrolled students, faculty, staff, and affiliates use to connect to university systems. This credential is the first portion of your official university email address (before or
  • VIP ID - This eight-digit number is assigned when a person applies for admission to the university or for financial aid. Admitted students can find their VIP ID in their acceptance materials.
  • Blackboard Auxiliary ID - allows access to Blackboard for users who do not have a Network Username or VIP ID but have a legitimate need to access the system.