On a Mac running High Sierra? Update now.
https://www.washingtonpost.com/news/the-switch/wp/2017/11/29/on-a-mac-running-high-sierra-update-now/
Apple issued a patch to fix a major security flaw in its operating system for Macs.
https://www.washingtonpost.com/news/the-switch/wp/2017/11/29/on-a-mac-running-high-sierra-update-now/
Apple issued a patch to fix a major security flaw in its operating system for Macs.