Optiv Cybersecurity Dictionary

What is NAC - Network Access Control?

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


It's typically a solution stack that's used to:

  1. Gain visibility to IT resources that are accessing corporate networks
  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 bring-your-own-device policies and IoT devices that interact with corporate networks.

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