Merge pull request #158104 from vhorne/waf-over

add video

Author: PRMerger12

articles/web-application-firewall/overview.md

@@ -4,7 +4,7 @@ description: This article provides an overview of Azure Web Application Firewall
 services: web-application-firewall
 author: vhorne
 ms.service: web-application-firewall
-ms.date: 03/18/2020
+ms.date: 05/11/2021
 ms.author: victorh
 ms.topic: overview
 ---
@@ -13,6 +13,8 @@ ms.topic: overview
 
 Web Application Firewall (WAF) provides centralized protection of your web applications from common exploits and vulnerabilities. Web applications are increasingly targeted by malicious attacks that exploit commonly known vulnerabilities. SQL injection and cross-site scripting are among the most common attacks.
 
+> [!VIDEO https://www.microsoft.com/en-us/videoplayer/embed/RWCwkM]
+
 ![WAF overview](media/overview/wafoverview.png)
 
 Preventing such attacks in application code is challenging. It can require rigorous maintenance, patching, and monitoring at multiple layers of the application topology. A centralized web application firewall helps make security management much simpler. A WAF also gives application administrators better assurance of protection against threats and intrusions.