Definition(s)
Traffic Analysis
Inference of information from observable characteristics of data flow(s), even when the data are encrypted or otherwise not directly available, including the identities and locations of source(s) and destination(s) and the presence, amount, frequency, and duration of occurrence.
Source: ANSI/ISA–99.00.01–2007, Security for Industrial Automation and Control Systems, Part 1: Terminology, Concepts, and Models, 29 October 2007. National Standard