Fix broken links

Author: cwatson-cat

articles/sentinel/microsoft-365-defender-sentinel-integration.md

@@ -21,7 +21,7 @@ Integrate Microsoft Defender XDR with Microsoft Sentinel to stream all Defender
 
 Alternatively, onboard Microsoft Sentinel with Defender XDR to Microsoft's unified security operations (SecOps) platform in the Defender portal. Microsoft's unified SecOps platform brings together the full capabilities of Microsoft Sentinel, Defender XDR, and generative AI built specifically for cybersecurity. For more information, see the following resources:
 
-- [What is Microsoft's unified security operations platform?](/unified-secops-platform/overview-unified-security.md)
+- [What is Microsoft's unified security operations platform?](/unified-secops-platform/overview-unified-security)
 - [Microsoft Sentinel in the Microsoft Defender portal](microsoft-sentinel-defender-portal.md)
 
 ## Microsoft Sentinel and Defender XDR

articles/sentinel/microsoft-sentinel-defender-portal.md

@@ -18,7 +18,7 @@ ms.collection: usx-security
 
 This article describes the Microsoft Sentinel experience in the Microsoft Defender portal. Microsoft Sentinel is generally available within Microsoft's unified security operations platform in the Microsoft Defender portal with Microsoft Defender XDR. For more information, see:
 
-- [What is Microsoft's unified security operations platform?](/unified-secops-platform/overview-unified-security.md)
+- [What is Microsoft's unified security operations platform?](/unified-secops-platform/overview-unified-security)
 - [Connect Microsoft Sentinel to Microsoft Defender XDR](/unified-secops-platform/microsoft-sentinel-onboard)
 - [Microsoft Sentinel feature support for Azure commercial/other clouds](feature-availability.md)
 

articles/sentinel/workspaces-defender-portal.md

@@ -76,6 +76,6 @@ How incident changes sync between the Azure portal and the Defender portal depen
 
 ## Related content
 
-- [Microsoft Defender multitenant management](/unfied-secops-platform/mto-overview)
+- [Microsoft Defender multitenant management](/unified-secops-platform/mto-overview)
 - [Connect Microsoft Sentinel to the Microsoft Defender portal](/unified-secops-platform/microsoft-sentinel-onboard)