As your problem persists I dare to get back to my initial response. You said > We're already using HTTPS
Usually HTTPS is used only at the authentication page. Are you sure you have tested it with HTTPS for every single page?
As your problem persists I dare to get back to my initial response. You said > We're already using HTTPS
Usually HTTPS is used only at the authentication page. Are you sure you have tested it with HTTPS for every single page?