What is two factor authentication
Two-factor authentication or two-step verification is an important feature for additional security of your online accounts. You can enable it in Gmail, Facebook, and other accounts.

Many of you must have heard about two-factor authentication. This is for the additional security of any online account. There are many types of two-factor authentication. Tells you about two-factor authentication and its benefits.

Along with this, you will also be told how you can activate two-factor authentication for popular online accounts.

What is Two Factor Authentication?

Two-factor authentication is known by many names. Multi-Factor Authentication, Two-Step Verification, 2FA, or Dual Factor Authentication.

This is actually a kind of security process that after activating you can be somewhat sure about your account security.

Under this process, apart from the password of the account, you have to provide a second proof to access your account. It can be any kind of proof.

For example, if you do some kind of transaction, OTP is sent to the mobile along with card and PIN to complete it. Only after entering it, your transaction is successful.

What are the benefits of two-factor authentication and why is it important?

Many times, you keep the password of any of your online accounts such as Facebook or Gmail, which can be close to you. In such a situation, if you have kept a two-factor authentication active, it will be beneficial.

If someone even knows the password of your account, then you cannot open the account without other steps.

What are the methods of two-factor authentication?

Phone Number – The most common way is by phone number. In the account, you can set your phone number for two-factor authentication. After entering the password, the code will appear on the phone. The account can be accessed only after entering it.

The security key is also available in the market for two-factor authentication. You can use it in any email service or social media that supports physical security. After entering the password, you will have to install security, only then you will get access to the account.

App-Based Authentication – Google Authenticator is an app that you can use for multi-factor authentication. You can add Facebook, Insta, and other accounts by installing it in your phone.

Whenever you log in to these accounts from another device, after the password, you have to copy the code from the Authenticator app and enter it.

Apart from all these, the option of email-based authentication and recovery code is also available. Under the recovery code, you are asked to save code. In case of forgetting the password, you can use it to access the account.