How to password protect mac on startup

  1. Protect Your Data From Target Disk Mode Security Risks [OS X Tips]
  2. Setting a Login Password for Mac OS X 10.5 and 10.6
  3. Disabling firmware password protection
  4. How to set your Mac's firmware password (and why you shouldn't) | iMore

Setting login passwords is easy on Mac OS X Now that you've set your password, you need to configure the general security settings to take full advantage of your system password.

You also want to be sure to turn on and properly configure the Mac OS X firewall. And if you're new to Macs or looking for general Mac info, be sure to check out this guide to setting up your new Mac computer.

Protect Your Data From Target Disk Mode Security Risks [OS X Tips]

Share Pin Email. A technology writer who was named as one of the women to watch in IT security. Updated March 27, Click the Apple icon in the upper left portion of the screen and choose System Preferences. But there's nothing wrong with adding another layer of security to your Mac: a firmware password.

This simple measure can prevent someone from using one of the many keyboard shortcuts that alter the boot sequence and can force your Mac to boot from another drive, thus making access to your Mac's data easier.

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  4. How to Set up the Firmware Password on Your Mac?

Using keyboard shortcuts, an unauthorized user can also boot into single user mode and create a new administrator account , or even reset your administrator password. All of these techniques can leave your important personal data ripe for access.

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But none of the special keyboard shortcuts will work if the boot process requires a password. If a user doesn't know that password, keyboard shortcuts are useless. The Mac has long supported firmware passwords, which must be entered when the Mac is powered on. It's called a firmware password because it's stored in non-volatile memory on a Mac's motherboard.

During startup, the EFI firmware checks to see if any alterations to the normal boot sequence are being requested, such as starting in single user mode or from a different drive. If so, the firmware password is requested and checked against the stored version.

Method 1: Reset Forgotten MacOS Mojave Password in Single-User Mode

If it's a match, the boot process continues; if not, the boot process stops and waits for the correct password. Because all of this occurs before OS X is fully loaded, the normal startup options aren't available, so access to the Mac isn't available, either.

Setting a Login Password for Mac OS X 10.5 and 10.6

In the past, firmware passwords were pretty easy to get around. Remove some RAM, and the password was automatically cleared; not a very effective system. In and later Macs, the EFI firmware no longer resets the firmware password when physical changes are made to the system. This makes the firmware password a much better security measure for many Mac users.

Disabling firmware password protection

Before you enable the firmware password feature, a few words of caution. Forgetting the firmware password can lead to a world of hurt because there's no simple way to reset it. Enabling the firmware password can also make using your Mac more difficult. You'll be required to enter the password any time you power on your Mac using keyboard shortcuts for example, to boot into single user mode or try to boot from a drive other than your default startup drive. The firmware password won't stop you or anyone else from booting directly to your normal startup drive.

If your Mac requires a user password to log in, that password will still be required.

How to set your Mac's firmware password (and why you shouldn't) | iMore

The firmware password only comes into play if someone tries to avoid the normal boot process. The firmware password may be a good choice for portable Macs that can be easily lost or stolen, but it's generally not as important for desktop Macs that never leave home, or are located in a small office where all the users are well known.

Of course, you need to use your own criteria to decide whether you wish to turn on the firmware password. Apple provides a utility for enabling the firmware password option. You can now use your Mac as you normally would.

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You won't notice any difference in using your Mac unless you try to start your Mac using a keyboard shortcut. To test the firmware password, hold down the option key during startup. You should be asked to supply the firmware password. To turn the firmware password option off, follow the instructions above, but this time, click Turn Off Firmware Password. You'll be asked to supply the firmware password. Once it's verified, the firmware password will be disabled.