A recent Apple security bug discovered by a developer lets anyone gain access to any computer running on Apple's latest operating system using a simple trick, according to BuzzFeed.
The vulnerability lets anyone log onto a computer running on the most recent Apple operating system, macOS High Sierra. All someone would have to do is type “root” as the username and click login several times without entering a password.
The bug was first discovered by a Turkish developer named Lemi Orhan Ergin. Ergin posted the following message on Twitter after making the discovery.
Dear @AppleSupport, we noticed a *HUGE* security issue at MacOS High Sierra. Anyone can login as "root" with empty password after clicking on login button several times. Are you aware of it @Apple?
The fix is a fairly simple one. Apple posted on their website that the easiest was to fix the bug is to enable the root user and set a password. Click here for instructions on how to enable the root user.