My device displayed the notification: ‘SE Android has been turned off.’ What do I do?

Environment

Any Samsung device supporting the Knox framework.

Summary

You may have installed a malicious or flawed app, which modified the Linux kernel data structures or code.

This message will appear:

The SE for Android security system has been turned off. It is recommended that you restart your device

Restart your device to restore the SE for Android system. This might not resolve the reason it was turned off. If issues continue to persist, contact the Global Customer Support center and provide details of the error.