Here is what I do: 1) Enable disk encryption (System Preferences -> Security and Privacy -> FileVault) 2) Regular backups with TimeMachine to a USB drive. It

Here is what I do: 1) Enable disk encryption (System Preferences -> Security and Privacy -> FileVault) 2) Regular backups with TimeMachine to a USB drive. It your machine is lost you can use this to restore everything back to how it was pretty quickly. By default TimeMachine backups aren't encrypted, so make sure you check the "Encrypt backups" option when enabling it. 3) As well as using "Find my iPhone" (which requires the device to be connected to a network), I have a message with my contact details on the Lock and Login screens (System Preferences -> Security and Privacy -> General -> Show a message when the screen is locked). 4) Even if the disk is encrypted it can still be wiped, reinstalled and sold on to unsuspecting buyers. You can set a firmware password which will prevent that: https://support.apple.com/en-us/HT204455 https://support.apple.com/en-us/HT204455 (I had a Mac stolen a couple of years ago and as soon as I got a new device and got home I was back up and running as if nothing had happened. A few months later I even recovered the device - the police carried out a raid and found a number of devices, and contacted Apple for the owners based upon the serial numbers)