Deviation analysis

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Deviation analysis is the monitoring of the behavior of people or objects within systems to measure compliance with expected or desired norms. Deviation analysis in security can be used to monitor trusted systems to trigger alerts, identity users or spot anomalies when user behaviors (or system processes) deviate from expected or authorized parameters.

Deviation analysis in statistics refers to measuring the difference, especially the absolute difference, between one number in a set and the mean of the set. Deviation analysis can be used with data mining to observe anomalous behavior from large data sets.