Skip to content

MIME Type Restrictions for File Uploads

Version: v1.1.0 | Status: live | Domain: Content & Data Protection | Tier: 2

Dataverse plugin, DLP policy template, and Sentinel queries for MIME type restriction governance in Copilot Studio agent file upload scenarios.

Mapped Controls

1.5, 1.10, 1.11, 1.13, 1.14, 1.25, 3.3, 3.7, 4.3

Prerequisites

Role Requirement
power-platform-admin Dataverse System Administrator access to register the plugin, import the DLP policy, and manage solution components.
log-analytics-reader Access to the Microsoft Sentinel or Log Analytics workspace that hosts PowerPlatformDlpActivity_CL for query validation.

Verification

Run scripts/query-mime-blocks.kql and scripts/query-exception-usage.kql against PowerPlatformDlpActivity_CL and confirm blocked uploads plus exception-usage events are returned.

Documentation

Document
Build Instructions
Delivery Checklist
Flow Configuration

View source on GitHub { .md-button }