Update index.yml

Author: batamig

articles/security/index.yml

@@ -30,10 +30,10 @@ highlightedContent:
       url: ../sentinel/mitre-coverage.md
     - title: Combine SIEM and XDR to defend against modern attacks
       itemType: overview
-      url: https://www.microsoft.com/security/business/threat-protection
-    - title: Use watchlists in Microsoft Sentinel
+      url: /unified-secops-platform/overview-unified-security
+    - title: Optimize security operations
       itemType: concept
-      url: ../sentinel/watchlists.md
+      url: ../sentinel/soc-optimization/soc-optimization-access.md
     - title: Azure Network Security
       itemType: concept
       url: ../networking/security/index.yml
@@ -152,8 +152,6 @@ additionalContent:
               text: Overview
             - url: ../sentinel/quickstart-onboard.md
               text: Onboard Microsoft Sentinel
-            - url: /unified-secops-platform/
-              text: Microsoft's unified security operations platform
             - url: /training/paths/security-ops-sentinel/
               text: "Learn: Cloud-native security operations with Microsoft Sentinel"