Enrolling and using both Microsoft Authenticator and a YubiKey
Authenticator Management
Types of two-factor authentication, pros and cons: SMS
Migrating from U2F
Enabling Two-Factor Auth
Two Factor Authentication
Types of two-factor authentication, pros and cons: SMS
Token2, MFA tokens OATH-TOTP SHA-1 SHA-256
Simplify Two-Factor Authentication For Customers
Two-Factor Authentication ThingsBoard Professional Edition
Web Authentication: An API for accessing Public Key Credentials
Two-factor authentication explained: How to choose the right level
Guide: how to setup Two-Factor Authentication