What is 802.1X in Cybersecurity?

802.1X is the standard for wired and wireless network authentication in enterprise environments. Security engineers implement 802.1X to ensure only authorized, managed devices access the corporate network. Penetration testers test 802.1X bypasses as part of internal network assessments.

Cybersecurity professionals who work with 802.1X include Security Engineer, Penetration Tester, Security Architect. These roles apply 802.1X knowledge within the Networking & Infrastructure domain.