Copilot Security

6 ways Microsoft Copilot exposes your data.

Microsoft 365 Copilot inherits every permission in your tenant. It queries across SharePoint, Teams, and OneDrive without understanding business context. If data is overshared, Copilot will surface it to anyone who asks.

Before Copilot, sensitive data was protected by obscurity — users simply did not know where to look. Copilot eliminates that barrier entirely.

Overshared files and folders

Critical Risk

Files shared with "Anyone with the link" or "Everyone except external users" are accessible to Copilot for every user in your tenant. A single overshared HR document, financial model, or M&A folder becomes searchable and summarizable by any Copilot user.

Compass Readiness Assessment scans every site, library, and file for oversharing patterns and generates a prioritized remediation roadmap.

802,000+

files at risk from erroneous permissions in the average M365 tenant

Permission sprawl and inheritance

Critical Risk

SharePoint permission inheritance means one misconfigured site collection can cascade access to thousands of files. Broken inheritance at the folder level creates invisible access patterns that are nearly impossible to audit manually.

Compass Data Access Governance runs daily scans for permission sprawl and triggers automated remediation via Azure Logic Apps.

40%

of IT leaders delayed Copilot rollouts 3+ months due to oversharing concerns

Stale guest and external access

High Risk

Former contractors, expired vendor accounts, and stale guest users retain access to SharePoint sites and Teams channels long after their engagement ends. Copilot treats their shared content the same as internal content.

Compass identifies all external sharing relationships and stale guest accounts across your tenant with automated access review workflows.

Months

average time stale guest accounts remain active after engagement ends

Anonymous and organization-wide links

High Risk

Anonymous sharing links bypass all authentication. Organization-wide links make content accessible to every employee. Both types are invisible in standard M365 admin reports but fully visible to Copilot.

Compass enumerates every anonymous and org-wide link in your tenant and flags them for immediate remediation.

Invisible

to standard M365 admin tools but fully accessible to Copilot

Unlabeled and unclassified content

Medium Risk

Without sensitivity labels, Copilot has no way to distinguish between public marketing materials and confidential board presentations. Most tenants have less than 20% of content properly labeled.

Compass Sensitivity Label Assessment identifies unlabeled content gaps and runs bulk labeling campaigns via metered Graph API.

< 20%

of content is properly labeled in the average enterprise tenant

Audit and compliance gaps

Medium Risk

Microsoft retains Copilot interaction audit logs for a limited period. Regulated industries (HIPAA, SOX, PCI DSS) require 6-10 years of retention. Without extended retention, you cannot prove what Copilot accessed or when.

Compass Audit Log Retention captures CopilotInteraction events and stores them in Azure SQL for as long as your compliance framework requires.

180 days

maximum Microsoft audit retention vs. 6-10 years required by regulations

Find out what Copilot will expose before you deploy.

Get a Copilot Readiness Score for your tenant. We scan permissions, sharing links, guest access, and labeling coverage — and give you a prioritized remediation plan.

Get Your Copilot Readiness Score Learn about Readiness Assessment