NAC - Network Access Control

NAC is a security technology that provides visibility and control of devices accessing a corporate network. 


It is typically a solution stack that is used to: 1) gain visibility to IT resources that are accessing corporate networks, and 2) enforce granular role-based or policy-based access to those networks. Demand for NAC has grown in recent years partially in response to the proliferation of BYOD (Bring Your Own Device) and IoT devices which interact with corporate networks.


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