Microsoft Purview: Insider Risk Management – Reduce temporary file noise for Endpoint activities in IRM
Microsoft 365 Message Center Archive by Merill FernandoChanges ChangeIntel observed:GA Nov 2026 → May 2027 seen 29d agoPreview Oct 2026 → Mar 2027 seen 29d ago
Summary
When files are opened in Windows, the operating system, and applications (for example, Microsoft Office and browsers) can create, rename, and delete temporary files as part of normal behavior. The Endpoint client audits these activities, resulting in high-volume, low-signal events that appear as “noise” for Insider Risk Management (IRM) customers. While global exclusions exist (file type, keyword, file path, etc.), some temporary file naming patterns are not easily captured with the current exclusions, leaving customers without a practical way to reduce noise without over-excluding. This feature introduces built-in filtering for well-known temporary file name patterns so that Endpoint file operations are excluded from IRM activity explorer and scoring reducing noise allowing customers to focus on the most relevant alerts. Microsoft Purview Insider Risk Management correlates various signals to identify potential malicious or inadvertent insider risks, such as IP theft, data leakage, and security violations. Insider Risk Management enables customers to create policies based on their own internal policies, governance, and organizational requirements. Built with privacy by design, use…
- Status
- In development
- General availability target
- May 2027
- Preview target
- Mar 2027
- Products
- Microsoft Purview
- Clouds
- Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD
- Release phases
- General Availability, Preview
- Platforms
- Web
- Source created
- 7 May 2026
- Source modified
- 12 Oct 2026 · 30d ago