Apple releases security update for macOS High Sierra 10.13.1 – addresses a serious security vulnerability

Friday 1 December 2017
Apple releases security update for macOS High Sierra 10.13.1
Apple has just released a security update to its macOS High Sierra 10.13.1 operating system.
The update addresses a serious security vulnerability that, in certain circumstances, could enable an attacker to gain full access to your Mac and everything on it without a password.
Apple has advised that users of macOS Sierra 10.12.6 and earlier versions are not impacted by the vulnerability that the security update addresses.
Further information is provided by Apple at //, including links to advice about ‘How to update the software on your Mac’ and find your macOS version and build number.
Sierra macOS users can also configure their computer to ‘Install system data files and security updates automatically’. Information on how to do this is provided at //
Stay Smart Online recommends that you always turn on automatic security updates on your computing devices.
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This information has been prepared by the Attorney General’s Department (‘the Department’). It was accurate and up to date at the time of publishing.
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