Blog macOS High Sierra Security Update 2017-001 November 30, 2017November 30, 2017 madflute 0 Comments macOS, High Sierra, Security 4,296 Viewed This is a critical info: https://support.apple.com/en-us/HT208315 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading...