Why did I get this alert?

The Android device Mobile Zone is installed on has detected that permissions to allow apps to be installed from places other than the Google Play App Store have been allowed.

What do I need to do?

Navigate to Setting > Security.
Find the option "Unknown sources".

Ensure the setting is turned off.

 Why do I need to disable this option?

This feature allows users to install apps from other locations than the official Google Play App Store. This is risky and we suggest you disable this feature in device settings.