Microsoft 365 Copilot now includes new data loss prevention (DLP) capabilities customers should be aware of. Until now, I have typically recommended using SharePoint Advanced Management (SAM) to reduce oversharing and Sensitivity Labels to prevent Copilot from processing sensitive documents even when users have access. There are some new M365 Copilot DLP capabilities that customers should know about. Today, there are some really good things customers can figure with M365 Copilot to protect against data loss. Up to now, I have usually talked with customers about implementing SharePoint Advanced Management (SAM) to restrict oversharing of data plus I have recommended implementing Sensitivity Label policies to restrict sensitive documents from being processed by M365 Copilot (even if the user has legitimate access to the data).
A new preview feature lets you apply DLP policies to Copilot prompts themselves, blocking prompts that contain configured sensitive information types. This real-There is a new feature that is in preview that enables you to create DLP policy to protect sensitive information types from even being submitted in M365 Copilot Prompts. This real time control helps reduce data leakage and oversharing. You can also Users would not be allowed to even allow prompts to continue if there is sensitive information present. You can also create policy that would allow users to work with sensitive content but restrict where the prompt can be sent for example, limiting it to internal processing only.
References:
https://learn.microsoft.com/en-us/purview/ai-m365-copilot
https://learn.microsoft.com/en-us/purview/dlp-microsoft365-copilot-location-learn-about
https://www.microsoft.com/en-us/microsoft-365/roadmap?searchterms=515945
https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=548671
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