Aug 13, 2025

How eSHARE Solves Microsoft 365 Copilot's Security Blind Spots

Microsoft 365 Copilot transforms how teams work with AI-powered productivity tools. But it also exposes critical security gaps that many organizations overlook.

The problem? Copilot can access any content a user has permissions for, including forgotten files shared with "Everyone," outdated documents, and data spread across Teams, SharePoint, and OneDrive. This creates serious risks around data exposure and compliance.

eSHARE's Trusted Collaboration suite directly addresses these vulnerabilities. Here's how our Collaborate and Govern products plug Copilot's security holes.

Stop Data Overexposure Before It Happens

The Risk: Copilot can surface legacy files shared with broad permissions or external guests, potentially exposing sensitive information.

eSHARE's Solution: Our policy-based access controls work at the point of sharing. We convert risky links into secure, named links with built-in expiration dates and revocation capabilities. This ensures Copilot never accidentally retrieves sensitive or outdated content.

Smart Governance for AI-Driven Access

The Risk: When Copilot pulls data from multiple sources, it can create context leakage where sensitive information appears in unexpected places.

eSHARE's Solution: Our Govern module uses attribute-based access control (ABAC) and classification tagging. Only authorized users can access or correlate sensitive data—even as Copilot synthesizes content across your entire M365 environment.

Complete Visibility Into Copilot Activities

The Risk: Copilot's limited logging makes it hard to track what data was accessed and by whom.

eSHARE's Solution: We provide forensic-grade audit trails that capture every link, access, and email interaction. These logs include classification labels and policy details, and integrate directly with your SIEM tools for rapid incident response.

Eliminate Shadow Access and Guest Risks

The Risk: Guest accounts and delegated permissions can create backdoors that Copilot might inadvertently use.

eSHARE's Solution: We enforce identity-based access and eliminate anonymous links entirely. External users can only access what they're explicitly authorized for, with all activity logged and instantly revocable.

Compliance That Actually Works

The Risk: Traditional security models create friction that breaks modern collaboration workflows, leading to "toxic governance" where users bypass security controls.

eSHARE's Solution: We embed policy guardrails directly into M365 apps, so compliance happens naturally. Users can work freely while staying within governance boundaries. No productivity barriers, just seamless protection.

Keep Sensitive Data Where It Belongs

The Risk: Copilot may interact with external services, potentially exposing your data outside the M365 environment.

eSHARE's Solution: We ensure sensitive data stays within your secure M365 tenant. Email attachments become secure links with download controls, preventing data leaks through external channels.

The Bottom Line

eSHARE's Trusted Collaboration closes Copilot's security gaps by ensuring only the right people access the right data. We prevent accidental exposure of sensitive content, stop data leaks through comprehensive logging, and keep your information secure within M365.

With eSHARE, you can accelerate Copilot adoption confidently, knowing that compliance, visibility, and governance are built into every interaction.

Ready to secure your Copilot deployment? Schedule a demo and see eSHARE's Trusted Collaboration suite in action!

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Build Bridges, Not Barriers:
Achieving Trusted Collaboration in the AI Era

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