MacOS High Sierra bug: blank password lets anyone take control of a Mac
A serious security flaw found in the latest version of Apple’s macOS High Sierra could allow anyone to access locked settings on a Mac using the user name “root” and no password, and subsequently unlock the computer.
The security flaw, discovered a couple of weeks ago and disclosed in an Apple developer support forum, has been shown to work within the software’s user preferences screen, among other locations. Once triggered, the same combination will also bypass the lock screen of Macs running Apple’s latest operating system.
Turkish software developer, Lemi Orhan Ergin, publicised the flaw on Twitter, calling the bug a “huge security issue”:
https://www.theguardian.com/technology/2017/nov/29/macos-high-sierra-bug-apple-mac-unlock-blank-password-security-flaw
= new reply since forum marked as read
It's like the old network login:
Username: Support
Password: Support
Who would think of trying that? 
