To ensure your property safety, you should make sure the Fraudulent Websites Warning feature has been enabled on your iPhone/iPad. Now, go to check whether it is enabled or manually enable it, following the two procedures below.
Steps to enable Fraudulent Websites Warning on iPhone/iPad:
Step 1: Open Settings and click Safari to enter its settings.
Step 2: Click the switch on the right of Fraudulent Website Warning to enable it.
