802.1X Authenticator

An 802.1X Authenticator is a network device, like a switch or wireless access point, that manages secure network access. It acts as a gatekeeper, requiring users or devices to prove their identity before they can connect. When someone tries to connect, the authenticator prompts for credentials (like a username and password). It then communicates with an authentication server to verify these details. If approved, the device grants access; if not, it blocks entry. This process helps ensure that only authorized users can access the network, enhancing security without compromising ease of use.