http://www.techradar.com/news/new-macos-bug-allows-for-full-system-compromise-if-you-have-physical-access

Another hole has been found in macOS, with the flaw being revealed by a security researcher (or ‘hobbyist hacker’, as his Twitter profile notes) as the New Year rolled around – hardly the start to 2018 Apple would have wanted.

The researcher who goes by the name of Siguza said that the zero-day flaw seems to have been present in Apple’s desktop operating system since as far back as 2002.