What does 'Authentication' mean?

Authentication is a crucial feature of modern software that enables users to securely access and use various applications and resources. It provides a mechanism for verifying the identity of users, ensuring that only authorized individuals have access to sensitive information or functionalities within the software. One of the primary functions of authentication is to verify the user's identity by requiring them to provide some form of evidence, such as a username and password, biometric data, or a security token. This ensures that the person trying to access the software is