Welcome to the access.caltech help site. You can browse the topics below or search our help documentation base.


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access.caltech is a web-based platform for accessing and launching your Caltech services. As the first integrated application from the IMSS organization, it provides common infrastructure and processes for integrating future Caltech applications.

A major feature is a unified approach for application authentication and authorization. Specifically, it lessens the burden for a user in remembering and protecting a myriad of usernames and passwords required for each separate application.

access.caltech services the entire Caltech community that includes the following.

  • Staff
  • Faculty
  • Post Doctorates
  • Graduate Students
  • Undergraduate Students
  • Guests
  • Alumni - Coming Soon
  • Affiliates - Coming Soon
To provide functionality faster to users, access.caltech is deployed in Phases. The following features are currently live.
  • My Personal Information: IMSS Single Sign On application that is an online equivalent to the current P-53 Personnel Information Change Notice Form
  • Common Sign-On Applications: All former ITS web-based applications
  • Unified authentication and authorization approach
  • Integrated password management
  • Synchronization of data and data feeds from existing systems that support P-53
  • Single Sign On REGIS
  • Single Sign On Parking
  • Single Sign On CLAS

IMSS works with a cross-sectional Advisory Committee to help define priorities and focus IMSS efforts for features delivered in future access.caltech Phases.