update FAQ with recommendations for using Deployment URLs and AV settings

Author: silversword411

docs/faq.md

@@ -18,7 +18,14 @@ No, you haven't.
 
 4. They ran it against their virtualization testing cluster.
 
-**To prevent this from happening**: either turn off file uploads in your AV settings, or use the [Powershell](./install_agent.md#powershell) or [Manual](./install_agent.md#manual) install methods.
+**Recommendation:** Use Deployment URLs instead. If your installer token gets grabbed, you can immediately disable any installer from installing more at some point in the future.
+
+**OR**
+
+You can prevent this from happening by:
+
+1. Turning off file uploads in your AV settings.
+2. Use the [Powershell](./install_agent.md#powershell) or [Manual](./install_agent.md#manual) install methods and delete installers immediately after use (not guaranteed)
 
 Here are some examples of what that looks like.