Authentication
Authentication in software systems is a critical security component that involves verifying the identity of users, processes, or systems before granting access to resources or functionalities. When authenticating users, we often use a combination of something only the user would know, something about the user, something the user has, and, potentially, someplace the use is. Here are the key aspects and methods of authentication in software systems:
- User Authentication – Username and Password: This is the most common method in which users provide a unique username and a secret password. This form of authentication falls into the category of something only the user should know. Multi-factor authentication (MFA) requires users to provide multiple forms of identification, such as a password and a temporary code sent to their mobile device.
- Biometric authentication: There are several methods commonly used in biometric authentication: fingerprint, hand, retina...