A network device (e.g., layer 3 Ethernet switch) is described herein which interfaces with an anomaly detector that implements a type II fuzzy neural network to track symptoms of an attack (which is directed at a private network) and to suggest escalating corrective actions (which can be implemented...http://www.google.de/patents/US20080083029?utm_source=gb-gplus-sharePatent US20080083029 - Intelligence Network Anomaly Detection Using A Type II Fuzzy Neural Network