How do I enable the web engine version 3 (beta)?

To enable the new scan engine v3 (beta), please do the following:

1. Login to Security Center.
2. Click Scan web app > Scan profiles
3. Create a new profile or click on to edit an existing profile. 
4. Under General settings, mark the Enable scan engine version v3 (BETA) to enable the new web app scan engine.
   
5. Click Submit to save the changes.
6. Done!