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Complacency and incompetence are the biggest computer security threats, and Apple’s latest Mac security flaw seems to combine both of these. The flaw means anyone with physical access to your Mac can get inside the machine and tinker with it.
What’s the problem?
The problem (which first got disclosed here) was first revealed in a Tweet by Lemi Orhan Ergin, who wrote:
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?