Description: Knowledge-Based Authentication (KBA) is a security process in which the user provides a specific piece of knowledge, such as a password or an answer to a secret question, to verify their identity. This method is based on the premise that only the legitimate user should know this information. KBA is commonly used in identity and access management systems, where verifying the user’s identity is crucial to protecting sensitive data. Unlike other authentication methods, such as biometrics or physical tokens, KBA focuses on the knowledge that the user possesses. However, its effectiveness can be compromised if the information is leaked or guessed, leading to the need for more robust approaches in the context of cybersecurity. In a Zero Trust environment, KBA can be a component of a broader approach that includes multiple layers of authentication and verification, ensuring that each access is rigorously validated. As cyber threats evolve, KBA remains an important element in the security strategy, although it should be used in conjunction with other methods to ensure effective protection.
