Merge pull request #5181 from MicrosoftDocs/main

[AutoPublish] main to live - 09/30 10:29 PDT | 09/30 22:59 IST

Author: m365-skilling-repo-management[bot]

exposure-management/whats-new.md

@@ -26,6 +26,12 @@ Learn more about MSEM by reading the blogs, [here](https://techcommunity.microso
 
 ## September 2025
 
+### Blast radius analysis
+
+Blast radius analysis is an advanced graph visualization integrated into incident investigation experience. Built on the Microsoft Sentinel data lake and graph infrastructure, it generates an interactive graph showing possible propagation paths from the selected node to predefined critical targets scoped to the user’s permissions.
+
+For more information, see [Blast radius analysis](/defender-xdr/investigate-incidents?branch=release-preview-sentinel-graph#blast-radius-analysis).
+
 ### New data connectors
 
 We have added new data connectors for Wiz and Palo Alto Prisma. These connectors enable seamless integration of vulnerability and asset data from leading cloud security platforms into Microsoft Security Exposure Management, providing enhanced visibility and context for your environments.