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.
But NAC hasn’t disappeared. In fact, NAC products have evolved and improved as well. For this review, we were able to bring the following five vendors together: Enterasys/Extreme Networks Mobile IAM, Hexis Cyber Solutions NetBeat NAC, Impulse Point SafeConnect NAC, Pulse Policy Secure and Portnox NAC. (Cisco, ForeScout, Auconet and Aruba declined our invitation.)
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