SecurityFocus HOME Infocus: Detecting Worms and Abnormal Activities with NetFlow, Part 1 and Part 2
Enterprise networks are facing ever-increasing security threats from worms, port scans, DDoS, and network misuse, and thus effective monitoring approaches to quickly detect these activities are greatly needed. Firewall and intrusion detection systems (IDS) are the most common ways to detect these activities, but additional technology such as NetFlow can be a valuable enhancement.