What does multi-factor authentication provide?

Multi-factor authentication (MFA) enhances security by requiring more than one method of verification from independent categories of credentials. This typically includes something the user knows (like a password), something the user has (such as a security token or a mobile phone), and something the user is (biometrics like fingerprints or facial recognition). By needing multiple forms of verification, even if one factor (like a password) is compromised, the overall security of an account is maintained because an attacker would still need to bypass the additional layers of security.

In contrast, having a single password entry does not provide adequate protection against breaches, as it creates a vulnerability if that password is stolen or guessed. While simplicity in user access can be a factor in system design, MFA specifically introduces complexity to enhance security, not simplicity. Quick recovery for lost accounts can be facilitated by various mechanisms, but this is not the primary purpose of MFA; rather, it focuses on securing access in the first place. Thus, the additional layers of security offered by MFA are crucial for protecting sensitive information and reducing the risk of unauthorized access.