Today’s NAC is evolving beyond the “traditional� Authentication, Authorization, and Accounting (AAA) into dynamic solutions with improved integrations that discover, monitor, and enforce policies expanding past enterprise walls. NAC is a foundational network security defense as every device on a network is a potential attack or reconnaissance point that must be discovered and secured.

The Frost & Sullivan NAC Market Forecast report gives insight on the present and future of NAC:

• NAC will grow at 16.9% CAGR from 2017-2022, reaching $2.1 billion.
• Forescout is one of the top two vendors that dominate the large enterprise with a combined 69.6% market share.
• Security vendors with broad product portfolios are integrating their NAC solutions.