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Microsoft Purview: Data Security Investigations – Introducing new AI analysis capabilities

Microsoft 365 Message Center Archive by Merill Fernando

Summary

Data Security Investigations (DSI) now features advanced AI analysis tools, including options to add investigative context for higher-quality results, as well as improvements in vector search relevance and content categorization to better identify risky material. Additionally, we've launched a new AI-powered search function that lets investigators use natural language to locate specific files by searching through keywords, metadata, and embeddings.

Status
Launched
General availability target
Feb 2026
Preview target
Nov 2025
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability, Preview
Platforms
Web
Source created
22 Oct 2025
Source modified
3 Feb 2026 · 9mo ago
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 21:06 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current