What Does Network Access Control (NAC) Mean?

Network access control (NAC) is an approach to network management and security that enforces security policy, compliance and management of access control to a network. It is a network solution that enables only compliant, authenticated and trusted endpoint devices and nodes to access network resources and infrastructure. It also monitors and controls their activity once they are on the network.

Network access control is also known as network admission control (NAC).

Techopedia Explains Network Access Control (NAC)