MacOS High Sierra Users: Change Root Password NowA newly-discovered flaw in macOS High Sierra -- Apple's latest iteration of its operating system -- allows anyone with local (and, apparently in some cases, remote) access to the machine to log in as the all-powerful "root" user without supplying a password. Fortunately, there is a simple fix for this until Apple patches this inexplicable bug: Change the root account's password now.
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MacOS High Sierra Users: Change Root Password Now