Intrusion Detection for Discrete Sequences

Provided by: Interscience Open Access Journals
Topic: Security
Format: PDF
Global understanding of the sequence anomaly detection problem and how techniques proposed for different domains relate to each other. The authors' specific contributions are as follows: they identify three distinct formulations of the anomaly detection problem, and review techniques from many disparate and disconnected domains that address each of these formulations. Within each problem formulation, they group techniques into categories based on the nature of the underlying algorithm. For each category, they provide a basic anomaly detection technique, and show how the existing techniques are variants of the basic technique.

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