The excitement around Microsoft Copilot continues to grow, with organisations eager to unlock the productivity benefits of AI across Microsoft 365. From summarising meetings and drafting emails to creating presentations in seconds, the opportunities are significant.
However, before businesses focus on what Copilot can do, they need to ask a more important question:
Can Copilot see data it shouldn’t? The reality is that Copilot doesn’t create new permissions. It simply works with the permissions that already exist across Microsoft 365. What AI is doing is shining a spotlight on an issue many organisations have been living with for years: poor permission management.
The Risk Hidden Within Microsoft 365
Over time, Microsoft 365 environments become increasingly complex. Users create Teams, SharePoint sites grow, documents are shared internally and externally, and access is granted but rarely reviewed.
As a result, permissions can quickly become difficult to track.
Copilot can access the same data a user already has permission to view. If a user has been granted unnecessary access to sensitive information, Copilot can surface that content in search results, summaries, and responses. This could include confidential business information, financial reports, customer data or even HR records.
A simple prompt such as:
“Show me salary information for senior management”
This may reveal information that should never have been accessible in the first place if permissions have not been properly managed. This is not a Copilot problem. It is a permissions problem that AI is making far more visible.
Why Microsoft’s Native Tools Aren’t Enough
Whilst Microsoft provides permission controls within SharePoint, Teams and OneDrive, gaining a complete view of permissions across an entire tenant remains challenging. According to Hornetsecurity, Microsoft’s native tools do not provide a complete overview of permissions across the organisation, nor do they allow administrators to easily enforce and monitor tenant-wide permission policies at scale. Many organisations respond by simply restricting sharing altogether, but this often leads employees to find alternative methods of sharing files, creating even greater security and compliance concerns. What’s needed is visibility, governance, and control.
Beyond Internal Risk: The Cybersecurity Threat
The conversation around Copilot readiness often focuses on internal data exposure, but there is another risk that businesses should consider. If a cybercriminal gains access to a compromised Microsoft 365 account, excessive permissions can significantly increase the value of that breach. Much like organisations use AI tools to locate information quickly, attackers are increasingly using AI-powered technologies to identify and extract sensitive information faster than ever before. Shared files, poorly governed external access and excessive permissions can all contribute to a larger attack surface. Without a clear understanding of who has access to what, organisations may not even realise sensitive data has been exposed until it’s too late.
Compliance Isn’t Optional
Permissions management is about more than security. Organisations operating under compliance frameworks and security standards must be able to demonstrate control over access to business-critical information. Businesses pursuing ISO 27001 certification are expected to manage and govern file sharing appropriately. Effective permissions governance also supports wider compliance initiatives and internal policies surrounding data protection and access management.
How 365 Permission Manager Helps
Hornetsecurity’s 365 Permission Manager was designed specifically to provide administrators with visibility and control over permissions across Microsoft 365.
The solution covers:
- Microsoft Teams
- SharePoint Online
- OneDrive
- Microsoft 365 Groups
It provides a centralised view of permissions and allows organisations to identify security and compliance risks quickly.
Key capabilities include:
Comprehensive Visibility
Gain a complete overview of permissions across Microsoft 365 and identify where sensitive information may be exposed. Advanced filtering highlights external users, guest accounts and potentially risky sharing configurations.
Compliance Policy Enforcement
Apply predefined best-practice policies or create custom permission policies that can be enforced across SharePoint, Teams and OneDrive environments.
Alerts and Auditing
Receive notifications when critical permission changes occur and maintain a full audit trail of sharing activity and policy violations.
Bulk Administration
Administrators can make permission changes at scale rather than handling requests individually. Capabilities such as removing broad access groups, managing external sharing settings and remediating orphaned permissions save significant administration time.
Simplified Onboarding
One often-overlooked benefit is day-to-day administration. Tasks such as giving a new employee the same permissions as an existing user become significantly easier, reducing onboarding complexity and helping IT teams work more efficiently.
Why This Matters for Partners
For partners, Copilot conversations are creating the perfect opportunity to talk about security, governance and compliance. Every customer looking at AI should also be reviewing their Microsoft 365 permissions strategy. This creates a valuable opportunity to position 365 Permission Manager as part of a broader Copilot readiness assessment. The solution not only addresses a real business challenge but also opens the door to strategic Microsoft security and governance discussions.
Final Thoughts
Copilot isn’t creating a permissions problem. It’s exposing one that has existed for years.
As organisations accelerate AI adoption, visibility and control over Microsoft 365 permissions become more important than ever. Without proper governance, sensitive information can be surfaced internally, exposed externally, or exploited through compromised accounts.
365 Permission Manager gives organisations the tools they need to monitor permissions, enforce compliance policies, reduce security risks and adopt Copilot with confidence. It helps businesses establish the governance foundations required not just for AI, but for a more secure and compliant Microsoft 365 environment overall.
For Infinigate Cloud partners, it’s a simple conversation starter that solves a real customer challenge whilst creating additional recurring revenue opportunities around Microsoft security, compliance, and AI readiness. Learn how Hornetsecurity 365 Permission Manager can help your customers strengthen governance, improve compliance and adopt Copilot with confidence.
Visit our Hornetsecurity page to connect with a specialist today: Hornetsecurity – Infinigate Cloud | Microsoft & Cloud Distributor.