Definitions Edit

Anomaly detection

[is] [a]n intrusion detection method that searches for activity that is different from the normal behavior of system entities and system resources.[1]
compares a profile of allowed or expected attributes against a population, with any deviation from that profile flagged as a potential risk.[2]
[is] the search for data items in a dataset that do not match a projected pattern or expected behaviour.[3]

References Edit

  1. Internet Security Glossary 17 (RFC 4949) (Ver. 2) (Aug. 2007).
  2. Survey of DHS Data Mining Activities, at 9 n.14.
  3. Datafloq, An Extensive Glossary Of Big Data Terminology (full-text).

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