adding new overview file

Author: rayne-wiselman

defender-xdr/unified-soc-platform/TOC.yml

@@ -18,9 +18,9 @@
           href: /azure/sentinel/microsoft-365-defender-sentinel-integration?toc=/unified-soc-platform/toc.json&bc=/unified-soc-platform/breadcrumb/toc.json&tabs=defender-portal
         - name: Security Exposure Management
           href: /security-exposure-management/get-started-exposure-management
-        - name: Defender for Cloud
+        - name: Microsoft Defender for Cloud
           href: /defender-xdr/microsoft-365-security-center-defender-cloud
-        - name: Defender for IoT
+        - name: Microsoft Defender for IoT
           href: /defender-for-iot/microsoft-defender-iot
         - name: Microsoft Copilot for Security in the Defender portal
           href: /defender-xdr/security-copilot-in-microsoft-365-defender