Add overview and references for Defender for Cloud

Added an overview section for Microsoft Defender for Cloud DevOps security, including references and a badge for total views.

Author: brown9804

demos/8_ADO_Defender.md

@@ -1 +1,25 @@
+# Microsoft Defender for Cloud DevOps security - Overview 
+
+Costa Rica
+
+[![GitHub](https://img.shields.io/badge/--181717?logo=github&logoColor=ffffff)](https://github.com/) [brown9804](https://github.com/brown9804)
+
+Last updated: 2026-01-25
+
+----------------------
+
+<details>
+<summary><b>List of References </b> (Click to expand)</summary>
+
+- [Overview of Microsoft Defender for Cloud DevOps security](https://learn.microsoft.com/en-us/azure/defender-for-cloud/defender-for-devops-introduction)
+- [Configure GitHub Advanced Security for Azure DevOps](https://learn.microsoft.com/en-us/azure/devops/repos/security/configure-github-advanced-security-features?view=azure-devops&tabs=yaml&pivots=standalone-ghazdo#set-up-dependency-scanning)
+
+</details>
+
+<!-- START BADGE -->
+<div align="center">
+  <img src="https://img.shields.io/badge/Total%20views-1289-limegreen" alt="Total views">
+  <p>Refresh Date: 2026-01-25</p>
+</div>
+<!-- END BADGE -->