Review: Portnox, Extreme lead NAC pack

Network Access Control (NAC) products continue to get better and easier to use

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Remember when network access control (NAC) was all the rage? Remember the competing standards from Microsoft, Cisco, and the Trusted Computing Group? Back around 2006, there were dozens of NAC products, many of which turned out to be buggy and difficult to implement.

Over time, other network-based security products – mobile device management (MDM), intrusion prevention systems (IPS) and next-generation firewalls – came along and squeezed NAC into a narrower part of the market.

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