An Identity Provider (IdPIdP An Identity Provider (IdP) is a software tool or service that offers user authentication as a service. At UT Austin, the primary IdP used to authenticate the UT EID and EID Password is Enterprise Authentication, which is managed by the IAM Team.) is a software tool or service that offers user authenticationAuthentication Authentication determines whether the user is who they claim to be. as a service. At UT Austin, the primary IdP used to authenticate the UT EIDUT EID The University of Texas Electronic Identity (UT EID or EID) is the public records identifier for principals at the university. See EID in the service catalog for more information. and EID Password is Enterprise Authentication, which is managed by the IAM Team.