Today’s adversaries continue to increase their capabilities faster than the defenses deployed to stop them. In response, next–generation network security devices have emerged, providing comprehensive contextual awareness, in combination with security automation, that delivers the visibility and agility necessary to keep pace with today’s fluid IT environment, increasing network speeds, and sophisticated threats. This buyer’s guide for next–generation network security offers an analysis of the most important capabilities you should look for (and demand) from your network security gear and arms you with the information you need to be an educated buyer.