Make sure you’re running the latest versions of iThemes Security Pro and the iThemes Sync plugin. Login to your Sync dashboard and click on any site in your dashboard home screen to expand the individual site view.
From the Individual Site view, click the Security icon.
From the Security page, make sure you’re on the Security Check tab. Simply click the Secure Site button and Sync will go to work enabling and configuring the recommended security settings for you.