Here’s How to Fix the MacOS High Sierra Vulnerability

MacOS “High Sierra” includes a bug that allows admin access to a computer running the OS without using a password. If you have updated your Mac to the High Sierra OS then you need to fix this ASAP to keep your information protected. This can be done by setting a password on the “root” account (an admin account on the Mac).

The McDonough School of Business (MSB) Technology Center at Georgetown University has the following guide for MacOS High Sierra users who need to fix this vulnerability:

  • Choose Apple menu > System Preferences, then click Users & Groups (or Accounts).
  • Click the lock, then enter an administrator name and password.
  • Click Login Options.
  • Click Join (or Edit).
  • Click Open Directory Utility.
  • Click the lock in the Directory Utility window, then enter an administrator name and password.
  • From the menu bar in Directory Utility:
  • Choose Edit > Enable Root User, then enter the password that you want to use for the root user.
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