A CDE Definition
An entity outside the norm. Pronounced "out-liar," an outlier may refer to a person, organization or to data way outside the normal range. See anomaly detection.
(1) An approach to intrusion detection that establishes a baseline model of behavior for users and components in a computer system or network. Deviations from the baseline cause alerts that direct the attention of human operators to the anomalies. See IDS and anomaly.
(2) Detecting data that lie outside the normal range. Also called "outlier detection."
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