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SharePoint file is shared with external users

Last updated Policies Access & Sharing SharePoint

AI summary

SharePoint files shared externally can expose sensitive data and create compliance risks. Rencore Governance automatically detects these files and alerts you for review and action.

Severity: High Security Recommended Generally available

What it detects

Detects SharePoint files that have been shared externally, potentially exposing sensitive data.

Why it matters

Sharing SharePoint files externally without control can lead to data leaks and compliance risks. Organizations should use Microsoft Purview sensitivity labels and enforce Data Loss Prevention (DLP) policies to protect confidential content. Rencore Governance can automate external file sharing detection and notify administrators for review and action. Establish a need-to-share" policy where data is only shared externally when strictly necessary.

The rule

Every File Sharing where Is External is true and Expiration is default or Expiration is past 1 days ago

In Rencore Governance

The SharePoint file is shared with external users policy in Rencore Governance: the rule, its trend and the objects that match it
The policy page in a Rencore demo Environment, captured October 2026.

Details

Applies to File sharing
Connector SharePoint
Severity High
Category Security
Recommended Yes
Recommended automation None
License type Standard

Other policies that check File sharing objects:

Frequently asked questions

What does the SharePoint file is shared with external users policy detect?

The SharePoint file is shared with external users policy detects SharePoint files that have been shared externally, potentially exposing sensitive data.

Which objects does the SharePoint file is shared with external users policy check?

The SharePoint file is shared with external users policy checks File sharing objects from the SharePoint inventory and reports each one that matches its rule as a violation.

How severe is a violation of the SharePoint file is shared with external users policy?

Violations of the SharePoint file is shared with external users policy have High severity. The policy is in the Security category.

Which module includes the SharePoint file is shared with external users policy?

The SharePoint file is shared with external users policy comes with the SharePoint connector in the Digital Workplace module of Rencore Governance, which every Plan includes.