Businesses must take advantage of digital transformation while keeping security risks at bay. This is where network access control (NAC) solutions play a key role. The fundamental function of NAC is to control the access of all connected devices based on set criteria to the network that would otherwise be open for access upon connectivity. NAC has been helping control device access to the IT network for 20+ years. Now, as the network expands, NAC needs to extend its visibility, control, and enterprise-grade security policies to OT devices and operational networks.

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