The system can analyze communication and document contents in Microsoft 365, Exchange, Teams, Zoom, Slack, Webex and, via custom integrations, in any other system.
Via TeleMessage's on-device access and mobile carrier partnerships it can access calls/SMS from mobile phones or even encrypted messages (e.g. Whatsapp, Signal).
Section 6 summarizes data practices/sources/purposes for the systems examined in my report. Here's the summary for the Microsoft Purview 'communication compliance' module.
Purview also provides a dedicated 'insider risk management' solution.
Microsoft suggests focusing on employees with a 'predisposition' to 'violate company policies', and on 'disgruntled employees' who received 'poor performance reviews', were demoted or are to be terminated.