Own a Mac? Prevent thieves from wiping your hard drive by setting a firmware password. Especially useful if running any sort of anti-theft or tracking app. Setting a firmware password for macOS is straightforward, requiring only three steps.
Set macOS firmware password
This is for informational purposes only, use at your own risk:
- Restart your Mac while holding the alt-key
- Select the recovery partition when prompted
- Choose Firmware Password Utility from the Utilities menu
Tested on macOS Sierra, but may also work with other versions.