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Learn how to enroll in UL2FCTR Duo, the University of Louisville’s two-factor authentication system. This guide is for students, faculty and staff who need to secure their university accounts. Two-factor authentication protects your personal and institutional data from unauthorized access.

Yubikey is a physical security key used for two-factor authentication (2FA) at UofL. It provides an extra layer of protection for your university accounts and sensitive data by requiring both your password and the physical Yubikey device for login.