Description: The human factor refers to the influence of human behavior on the security of systems, especially in the context of multifactor authentication (MFA). This concept recognizes that while security technologies can be robust, their effectiveness largely depends on how users interact with them. Multifactor authentication relies on combining different verification methods, such as something the user knows (a password), something the user has (a token or mobile device), and something the user is (biometrics). However, the human factor can introduce vulnerabilities, such as choosing weak passwords, failing to pay attention when receiving verification codes, or the tendency to share sensitive information. Understanding the human factor is crucial for designing authentication systems that are not only technically sound but also intuitive and user-friendly. This involves educating users about best security practices and implementing measures that minimize the risk of human error. In summary, the human factor is an essential component in the security of multifactor authentication, as user interaction with these systems can determine their effectiveness and resilience against threats.