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Two-factor authentication (2FA) is important primarily because it introduces an additional layer of security beyond just a password. While passwords are a common method of securing accounts, they can be easily compromised through methods such as phishing, data breaches, or password guessing. By requiring a second form of verification, such as a text message code, authenticator app, or biometric scan, 2FA significantly enhances the security of user accounts, making it much more difficult for unauthorized users to gain access.

This additional layer acts as a buffer against the risks associated with password-only protection, as even if a password is stolen, an attacker would still need the second factor to successfully access the account. Thus, two-factor authentication is a critical measure for protecting sensitive information and reducing the likelihood of unauthorized access.

The other options relate to aspects that don’t accurately capture the core function of two-factor authentication. While encryption is essential for safeguarding data, it is separate from the authentication process. Simplifying the login process is not a primary goal of 2FA; in fact, it may add steps to the login process. Similarly, while password management is crucial for security, 2FA does not eliminate the need for effective password management practices. Instead, it serves as a complementary security