I am trying to understand the security details of webmap published on ArcGIS portal. Does we need to pay money to access every secure webmap in web app builder?My company works with third party data\images for government projects. We neither want to expose data to public and nor want to charge the money per user\credit basis from our end client. So we want to keep the webmap secure but still independent of any use basis charges or even unnecessary authentication. Any link may be helpful here too.