WebAuthn Developer Guide
How to set up the Two-Step Authorization (Google Authenticator). – Gaijin Support
Types of two-factor authentication, pros and cons: SMS, authenticator apps, YubiKey
Types of two-factor authentication, pros and cons: SMS, authenticator apps, YubiKey
Using Google Authenticator for 2 factor authentication
Database.com Chatter REST API Developer's Guide - Salesforce.com
Two-factor authentication explained: How to choose the right level of security for every account
Browser-in-the-Browser Attack Makes Phishing Nearly Invisible - vulnerability database
Use Security Keys with the Traditional Duo Prompt - Guide to Two-Factor Authentication · Duo Security
Secure your site with two-factor authentication with a security key (WebAuthn)
Client to Authenticator Protocol (CTAP)
Set up OATH (Google Authenticator) Token Settings, AuthLite v2.3 Documentation
Two-Factor Authentication with Keycloak WebAuth · Ultimate Security Professional Blog