Service Description For security, SF State protects sensitive data using Multi-Factor Authentication (MFA). If you receive an unexpected MFA approval request, change your password immediately as it is a good sign that your password is compromised. Request a token for user with Duo Multi-Factor Authentication Report a lost or stolen device with access to Duo authentication Multi-Factor Authentication (MFA) Guide Eligibility Student Faculty Staff Community Member Emeritus Helpful Links Multi-Factor Authentication (MFA) Frequently Asked Questions (FAQ) What is Multi-Factor Authentication? (Duo video) Duo's Guide to Multi-Factor Authentication Duo's YouTube Channel Multi-Factor Authentication (MFA) Guide