ForeScout, a leading provider of automated security control solutions, is now a market leader, as ascertained by Gartner in their Magic Quadrant on NAC for 2011.
Gartner's Magic Quadrant assessment is based on vendors’ completeness of vision, including market understanding, product strategy and innovation, as well as the vendor’s ability to execute, which includes operations and overall viability.
See the full-sized diagram here , and the full report here.

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