Authentication anomaly detection: a case study on a virtual private network
Unsupervised Anomaly Detection in Network Intrusion Detection Using Clusters
Automatic Subspace Clustering of High Dimensional Data for Data Mining Applications
Aberrant Behavior Detection in Time Series for Network Monitoring
Testing Intrusion detection systems: a critique of the 1998 and 1999 DARPA intrusion detection system evaluations as performed by Lincoln Laboratory
Data Mining Approaches for Intrusion Detection