Microsoft Purview: Inline Discovery

Extension of Microsoft Purview policies to the network by integrating Purview with your existing Secure Access Service Edge (SASE) solution. Through this integration, admins can intercept and inspect traffic flowing through the network layer to identify the presence of sensitive data and enforce DLP policies on it.

https://www.microsoft.com/en-nz/microsoft-365/roadmap?id=488807

https://techcommunity.microsoft.com/blog/microsoft-security-blog/building-layered-protection-new-microsoft-purview-data-security-controls-for-the/4395071