How to govern External Access in OneDrive
A step-by-step guide to governing External Access in OneDrive with Rencore: detect, review by owner and severity, and remediate with an audit trail.
Governing External Access in OneDrive means finding where it goes wrong, reviewing the findings by owner and severity, and remediating with an audit trail. Rencore covers this concern for OneDrive with the pre-built controls below, so it becomes a repeatable check rather than a one-off cleanup. The steps that follow apply the same detect, review, remediate loop to External Access.
Steps
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Inventory OneDrive
Connect OneDrive and let Rencore build a continuous inventory of its resources, owners, and configuration, so governance starts from what exists rather than a stale export.
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Detect with policies
Turn on the pre-built policies that cover External Access in OneDrive to surface oversharing, sprawl, and misconfiguration on the first scan, before writing a single custom rule.
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Review by owner and severity
Use the OneDrive reports to review findings by owner, category, and severity, and to share them with stakeholders who do not have a seat in the platform.
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Remediate and automate
Apply automations to fix findings at scale, route sensitive changes through approvals, and keep every action reversible and logged for the audit trail.
OneDrive controls for External Access
Grounded in the Rencore catalog. See the full OneDrive catalog on the OneDrive connector page.
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OneDrive contains at least one externally shared file
Identifies OneDrive accounts where at least one file is shared externally, posing potential data security risks.
Severity: Medium -
OneDrive file is shared with external users
Identifies OneDrive files that have been shared externally, increasing the risk of data leakage.
Severity: Medium -
OneDrive contains anonymous sharing links
OneDrives that contain at least one file shared via an anonymous "anyone with the link" link.
Severity: High -
Anonymous OneDrive links with edit permission
Anonymous "anyone with the link" shares that grant edit permission.
Severity: High -
External users with edit permission on OneDrive files
Sharings where an external user has edit permission on a OneDrive file.
Severity: High -
External OneDrive shares without expiration
External shares that have no expiration date and may persist indefinitely.
Severity: Medium -
External OneDrive shares older than 12 months
External sharings that were created over a year ago and may no longer serve their original purpose.
Severity: Low -
Org-wide OneDrive sharing links
Sharings that grant access to anyone in the tenant via a link.
Severity: Medium -
External users with direct (non-link) access
External users granted direct access to OneDrive files without going through a sharing link.
Severity: High -
OneDrives with more than 50 sharings
OneDrives that accumulate more than 50 individual sharings, indicating broad and hard-to-govern access.
Severity: Medium -
Top 10 OneDrives by external sharings
The ten OneDrives with the most external sharings, ranked by share count.
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OneDrive sharings by link kind
Distribution of OneDrive sharings across the different link kinds (view/edit, internal/external, anonymous).
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Externally shared OneDrive files
All OneDrive file sharings that target an external user.
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OneDrive anonymous sharing links
All OneDrive file sharings that are anonymous "anyone with the link" links.