Security in a Nutshell
When we talk about security, there are two main things to consider: proving who you are (authentication) and deciding what you’re allowed to do (authorization). These tasks are managed by one or more security realms.
Authentication
Authentication is the process of verifying the identity of an entity, such as a user, system, or device, to ensure that it is who or what it claims to be. It can be done through different methods such as password-based authentication, token-based authentication, certificate-based… and more.
This article has been indexed from DZone Security Zone