User authentication helps verify user identities from "summary" of Introduction to Information Security by Timothy Shimeall,Jonathan Spring
User authentication is a critical aspect of information security that plays a significant role in ensuring the protection of sensitive data and resources. By requiring users to verify their identities before granting access to systems or applications, organizations can effectively control who can access their information and prevent unauthorized users from gaining entry. There are various methods of user authentication, each with its strengths and weaknesses. One common method is password-based authentication, where users must input a password that is known only to them. While passwords are widely used and easy to implement, they can be vulnerable to attacks such as brute force or dictionary attacks. To enhance security, organizations may implement additional facto...
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