The document is a market analysis report from The Radicati Group that examines the corporate web security solutions market in 2011. It segments the market into four categories: specialists, trail blazers, top players, and mature players. The report evaluates vendors based on criteria like functionality and market share. It then plots major vendors in the market into a quadrant chart based on their functionality and size to illustrate their relative position. The report also includes individual analyses of prominent vendors in each category.