Imagine the worst possible scenario, that your Mac is lost or stolen with all your important data. In those moments there are not much things to do except to believe that someone will return it back to you. However there is a phenomenal way to protect your Mac and your data even in those situations. By using iCloud you can remotely wipe all your data or locking your Mac which makes him unusable without a set passcode, plus it will displays a message that you provide. In this tutorial I will show you how to use iCloud and remotely wipe a Mac.