Are there alternate methods for 2FA authentication? HomeHelp & SupportKnowledge BaseSecurity2FA FAQsAre there alternate methods for 2FA authentication? Yes. There are additional authentication methods. See the List of Authentication Options. Previous: How to Enroll Additional 2FA Devices Next: How to Remove an Enrolled 2FA Device Knowledge Base CategoriesAccounts & AccessComputers & SoftwareEmail & CollaborationNetwork, Internet & TelephoneProfessional ServiceResident StudentSecurityTeaching & LearningUniversity ApplicationsWeb, Servers & Data Related ArticlesWhy is the Duo Mobile Prompt Not Loading/Giving Me an Error?Why am I seeing the message “Access denied. Duo Security does not provide services in your current location” in the Duo Prompt?Can I use Gmail to receive and send my Mason email?What Yubikey can I use with Duo 2FA?Why are Duo authentication calls sometimes marked as "Scam Likely"?