Describe the reasons for and methods of two-step verification processes

1. What is two-step verification method?
2. What is the reason for two-factor authentication?
3. How do you explain the importance of 2-step verification in authentication process?
4. What all methodologies can be used in 2FA?

What is two-step verification method?

2-step verification adds an extra layer of security to your Google Account. In addition to your username and password, you'll enter a code that Google will send you via text or voice message upon signing in.

What is the reason for two-factor authentication?

2FA is essential to web security because it immediately neutralizes the risks associated with compromised passwords. If a password is hacked, guessed, or even phished, that's no longer enough to give an intruder access: without approval at the second factor, a password alone is useless.

How do you explain the importance of 2-step verification in authentication process?

Two-factor authentication adds an additional layer of security to the authentication process by making it harder for attackers to gain access to a person's devices or online accounts because, even if the victim's password is hacked, a password alone is not enough to pass the authentication check.

What all methodologies can be used in 2FA?

Some methods include push-based authentication, QR code-based authentication, one-time password authentication (event-based and time-based), and SMS-based verification.