Update README.md

Updated link for "secure your Azure resources".

Author: Thanusree-Microsoft

README.md

@@ -166,7 +166,7 @@ To ensure continued best practices in your own repository, we recommend that any
 
 You may want to consider additional security measures, such as:
 
-* Enabling Microsoft Defender for Cloud to [secure your Azure resources](https://learn.microsoft.com/azure/security-center/defender-for-cloud).
+* Enabling Microsoft Defender for Cloud to [secure your Azure resources](https://learn.microsoft.com/azure/defender-for-cloud).
 * Protecting the Azure Container Apps instance with a [firewall](https://learn.microsoft.com/azure/container-apps/waf-app-gateway) and/or [Virtual Network](https://learn.microsoft.com/azure/container-apps/networking?tabs=workload-profiles-env%2Cazure-cli).
 
 <br/>