What’s happening on the enterprise network-or more to the point, what’s occurring on the network that should not be-is a major concern of security executives. If someone is trying to hack in, or a virus or worm is spreading, or a denial-of-service attack is underway, there might be evidence of these types of activities before they become a major problem.
Network behavior analysis (NBA) technology helps organizations detect and stop suspicious activity on corporate networks in a timely manner-possibly preventing, or at least limiting, serious damage from attacks. NBA is designed to give security managers a level of network visibility they need in order to make sure security threats are quickly identified and remedied. How to Use Network Behavior Analysis Tools - Network World
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