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Set Firmware Password on macOS

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:

  1. Restart your Mac while holding the alt-key
  2. Select the recovery partition when prompted
  3. Choose Firmware Password Utility from the Utilities menu

Tested on macOS Sierra, but may also work with other versions.