Learn Editor: Update network-protection.md

Author: YongRhee-MSFT

defender-endpoint/network-protection.md

@@ -160,6 +160,26 @@ A user visits a website. If the url has an unknown or uncertain reputation, a to
 > [!NOTE]
 > The images shown in this article for both the `warn` experience and `block` experience use "blocked url" as example placeholder text. In a functioning environment, the actual url or domain is listed.  
 
+#### Use CSP to enable __Convert warn verdict to block__
+
+[https://learn.microsoft.com/en-us/windows/client-management/mdm/defender-csp#configurationenableconvertwarntoblock](/windows/client-management/mdm/defender-csp)
+
+#### __Use Group Policy to enable Convert warn verdict to block__
+
+1. On your Group Policy management computer, open the [Group Policy Management Console](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc731212(v=ws.11)).
+
+1. Right-click the Group Policy Object you want to configure, and then select __Edit__.
+
+1. In the __Group Policy Management Editor__ go to __Computer configuration__ and then select __Administrative templates__.
+
+1. Expand the tree to __Windows components__ > __Microsoft Defender Antivirus__ > __Network inspection system__.
+
+1. Double-click __Convert warn verdict to block__ and set the option to __Enabled__.
+
+1. Select __OK__. 
+
+1. By enabling this setting, network protection blocks network traffic instead of displaying a warning.
+
 #### Block experience
 
 A user visits a website. If the url has a bad reputation, a toast notification presents the user with the following options: