You can beef up the security on your Mac all you want, but all the firewalls and antivirus apps in the world mean nothing when that can of soda tips over on your Macbook, destroying your laptop and all its data forever. You may have some of your data backed up to a cloud service, but that can't do much to restore settings, shortcuts, and passwords stored on your keychain. For that type of restoration, you'd need a back up app that can make a complete copy of your system. Of course, it's a pai...