My Authenticator app or SMS two-factor authentication (2FA) has

SMS and TOTP can now both be registered 2FA methods - The GitHub Blog

TOTP vs SMS: Which one is better for two-factor authentication (2FA)? - Stytch

Twilio Account Login Change: Mandatory Two-Factor Authentication

What Is SMS 2FA? Text Message Authentication Explained - Rublon

Two Factor Authentication - FileCloud Docs - Server

ProsperityFX: How to Enable Two-Factor Authentication (2FA) on your Account? : ProsperityFX

Two Factor Authentication (2FA)

How to use authenticator apps like Google Authenticator to protect yourself online - Vox

How to Use iOS 15's Built-in Authenticator as a Secure 2FA Method for All Your Accounts « iOS & iPhone :: Gadget Hacks

I don't have my 2FA device, how do I disable 2FA? :: DigitalOcean Documentation

Enable and manage two-factor authentication – ClickUp Help

Using Two-factor Authentication(2FA) on the customer portal – 8x8 CPaaS Help Center

Two-Factor Authentication (deprecated)