To disable backups:
Step 1: Sign in to your WPRemote account.
Step 2: On the WPRemote site listing page, select the website that you want to disable the backup of.
Step 3: It'll take you to the site details page. On this page, go to the Backup section. You can select the Toggle button to disable Backups.
Step 4: You can Enable Backups again by clicking the same toggle button.
For Security:
Step 1: On the Site Details page, go to the Security section.
Step 2: Click on the toggle which is next to SECURITY.
You can Enable Security by clicking the same, again.