All UMD and University System of Maryland community members must use multi-factor authentication to log into all university resources that use CAS. Some major systems that use CAS are ELMS-Canvas, Payroll and Human Resources (PHR), Testudo, Terrapin Express, Box, and library services.

What is multi-factor authentication? Multi-factor authentication requires the use of two of the three authentication factor categories: something you know, something you have, and something you are. This adds a layer of security because hackers will need more than just a password to use your accounts. In order to log in, you will need: