In a two-factor authentication system using both private and public keys, who should have access to the private key?

What does two-factor authentication consist of? How does it prevent passwords from being stolen?

In an authentication system that employs both private and public keys, who should have access to a private key?

Is it feasible to distinguish between various authentication mechanisms in terms of safety?

Utilising a number of different authentication procedures at once is the approach known as multi-factor authentication. How often do hackers succeed in gaining access to an account that has been compromised?

Why is it important to confirm that someone is who they say they are? How do the various authentication techniques weigh up, both favorably and adversely, against one another when compared to one another?

Is it feasible to distinguish between various authentication mechanisms in terms of safety?

In an authentication system that employs both private and public keys, who should have access to a private key?

Who should have access to a private key in a dual-key authentication system?

A "multifactor authentication" system's purpose must be stated. What degree of security does it provide against password theft?