BA005Use of linguistic indicators

The derivation of concern from a person’s written or spoken language.

Control	Jurisdiction	Source	What it establishes	Prerequisite or recommendation
Reported	United Kingdomwhere written	Developing an ‘Insider Language Index’ as a composite measure to detect insider threatMartlew, Ball, Dando, Ormerod, Taylor, Menacere, Sandham, and Richardson · read 11 Aug 2026	That insiders differed measurably in interview language, by cognitive processing words, self-reference, and negative emotion.	The differences were measured in interview language, so an index built on the ordinary flow of workplace communication is extrapolating beyond what was observed.