Authentification Guide — Two authenticators

The Definitive Guide to 2 Factor Authentication - by Arsen

How to set up the Two-Step Authorization (Google Authenticator). – Gaijin Support

Browser-in-the-Browser Attack Makes Phishing Nearly Invisible - vulnerability database

Types of two-factor authentication, pros and cons: SMS, authenticator apps, YubiKey

How to set up the Two-Step Authorization (Google Authenticator). – Gaijin Support

A guide to common types of two-factor authentication

Types of two-factor authentication, pros and cons: SMS, authenticator apps, YubiKey

WebAuthn Readiness Checklist

WebAuthn Developer Guide

Two-factor authentication explained: How to choose the right level of security for every account

Types of two-factor authentication, pros and cons: SMS, authenticator apps, YubiKey

Two-Factor Authentication with Keycloak WebAuth · Ultimate Security Professional Blog

Client to Authenticator Protocol (CTAP)