Copilot for Microsoft 365: Protect and govern your sensitive data with Microsoft Purview 

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Dive deeper into Copilot for Microsoft 365 beyond its flashy features. Microsoft MVP Jasper Oosterveld covers challenges and tools for understanding your data and safeguarding sensitive information.

Since ChatGPT hit the scene, the world of generative AI has skyrocketed. In under two months, more than 100 million hopped aboard. And hot on its heels, Microsoft rolled out Copilot for Microsoft 365 in November 2023 to boost employee productivity.

In a nutshell, Copilot for Microsoft 365 helps teams find, create, and share internal information. 

But with great power comes great responsibility, especially when it comes to keeping your data safe. So, I want to shift the focus from the glitz of the features you’d find in Copilot for Microsoft 365 to a crucial aspect: safeguarding your organization from potential data breaches while using it. 


Tackling the challenges of Copilot for Microsoft 365  

Have you done a quick search for data breaches? It’s like opening Pandora’s box of cybersecurity nightmares. Each breach not only stains an organization’s reputation but also shakes the trust of their customers or users. And in today’s connected world, losing trust can mean losing business. 

Don’t get me wrong, Copilot for Microsoft 365 has enormous potential and great features, but it does come with its fair share of challenges. One big one is making sure sensitive information doesn’t end up in the wrong hands. 


Tools for understanding your data  

To recap, Copilot for Microsoft 365 helps employees find, process, and share information. These actions take place not only within Microsoft 365 but also outside of it, like when copying and pasting sensitive information into ChatGPT or Google Gemini. So, it’s crucial to understand how your sensitive information is stored and used with Copilot and external AI services.  

The following Microsoft tools help to understand your data.

Microsoft Purview AI Hub 

Microsoft offers an AI hub in the Microsoft Purview admin center (in preview): 

Ai Hub

Within the AI Hub, you can see how Copilot and any external AI services are being used. It gives you a detailed overview of activities involving your sensitive information. 

Ai Hub 2

If you’re curious about where your sensitive information is stored in SharePoint, OneDrive or Exchange, you can use Content Search.  

Content Search

With these insights, you can target actions like securing, moving or deleting sensitive information from places you don’t want it. Actually, it’s easier to see the exact content of that sensitive information with the Activity Explorer.  

Activity Explorer

The capabilities of the Activity Explorer are similar to Content Search. It gives your organization insight into the locations where sensitive information is stored: 

Activity Explorer

From this view, with the appropriate permissions, you can control the content: 

Activity Explorer 1

Tools to help protect sensitive information  

Keeping sensitive information safe has always been important, but with Copilot for Microsoft 365, it’s become even more vital. As employees navigate through data more easily, the risk of exposure increases. 

Microsoft Purview Information Protection (MIP) 

MIP helps you classify and safeguard sensitive information using labels. Here’s what you need to know: 

  • You can apply labels manually or automatically.  
  • Automatic labeling can link a label to specific sensitive information for added security. 
  • Integration with Copilot for Microsoft 365 is smooth sailing.  
  • Employees receive notifications when sensitive information is labeled, ensuring prompt action. 
Draft With Copilot

If your organization opts for automatic labeling, which I highly recommend, then a label will be applied automatically: 

Labeling

Labeling serves as a proactive measure to prevent potential data breaches. Plus, you can always find a reference to a document in a labeled prompt: 

Prompt

Microsoft Data Loss Prevention (DLP) 

DLP can monitor how sensitive information is handled, like sharing it with external people or copying it into external applications or services such as ChatGPT. From this monitoring, you can apply a notification or protection. The following example shows how sensitive information is protected from being copied in an external AI service (Google Gemini): 

Dlp

Microsoft Purview Compliance Manager 

Every organization has to comply with rules and regulations, which can be pretty complex and tricky to keep up with. Adding Copilot for Microsoft 365 into the mix can potentially increase the risk of data breaches.  

Compliance Manager in Microsoft Purview can help with your organization’s compliance efforts. It provides a score for your Microsoft 365 tenant’s compliance status.  

Screenshot 2024 04 29 At 4.35.40 pm

The score is based on Microsoft’s Data Protection Baseline, which includes important rules and standards for keeping data safe and managing it properly. This baseline pulls from NIST CSF, ISO, FedRAMP, and GDPR. You can also include an extra assessment based on your own laws or regulations.

Data Protection Baseline

Considerations for Copilot for Microsoft 365 deployment 

Given the developments and potential challenges associated with deploying Copilot, let’s think about a few important things: 

  1. Knowing your sensitive information: Does your organization have a clear understanding of the types of sensitive information it has and where this data is located? 
  2. Data control: Do you have control over this sensitive data as it moves around, both inside and outside your organization? 
  3. Data protection across environments: How do you keep this sensitive data safe in all places? 

If you’re not sure about any of these, it’s a good idea to consider using Microsoft Purview for data security.  

So, while Copilot takes productivity to new heights, don’t forget to buckle up for the data security ride. 

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