primarily used to authenticate and log remote network users. Interoperable with multiple devices and vendors, and it’s cost-effective to implement
RADIUS (Remote Authentication Dial-In User Service)
Primarily used for administrator access to network devices like routers and switches. more secure than RADIUS because it encrypts both usernames and passwords, while RADIUS only encrypts passwords.
TACACS+ (Terminal Access Controller Access Control System Plus)
Allow secure wireless
connections by devices that use a shared password.
simultaneous authentication of equals (SAE)
Fairly insecure technology used to join devices to small
office/home office (SOHO) networks.
Wi-Fi protected setup (WPS)