2 Factor Authentication / 2FA

Single Factor Authentication  VS 2 Factor Authentication(2FA)?

Single Factor Authentication	2 Factor Authentication
Only one level, Usually password used for authentication	2 level of authentication, Usually Password + Any verification code from hard ware device typically mobile Ex:  1. OTP 2. RSA hardware device

Why do we need 2 Factor Authentication(2FA) ?

This provides additional layer of security.

Ex:

• OTP (One Time Password)
• Finger Prints
• Facial Recognition
• SMS 
• etc..

Any live examples have you come across?

Yes,

1. Every time any bank transaction it will ask for OTP which used to get in my registered mobile

2. Every time you try Salesforce login in new browser  it will send OTP to your registered Mobile/ Email

Authentication Apps Vs Text/Voice/Email ?

Authentication apps prompts 6 digit number every 30 seconds once.So no need to wait to recieve any text/voice/Email message.

Only the thing is need to install Authenticator the app.

What are the different Authenticator apps you know?

• Google Authenticator
• Salesforce Authenticator

How to enable 2 Factor Authentication in Salesforce?