NAC

NAC :

Network Access Control

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[...] also known as network admission control, is the process of restricting unauthorized users and devices from gaining access to a corporate or private network. NAC ensures that only users who are authenticated and devices that are authorized and compliant with security policies can enter the network. https://www.fortinet.com/resources/cyberglossary/what-is-network-access-control

The goals of NAC are to detect/block rogue devices, prevent or reduce zero-day attacks, confirm compliance with updates and security settings, enforce security policy throughout the network, and use identities to perform access control. (Wiley Efficient Learning, tb786238.CISSPSG9E.c11.17, 13.5.2023)