Mac Security Update

Apple released a very important security update for the Mac which is recommended for everyone running High Sierra, the latest macOS.

Your Mac will probably tell you automatically to run the update, but if not or you prefer to do it manually, now, then goto the App store > Updates

Details:
Apple: https://support.apple.com/en-us/HT201222

The Verge https://www.theverge.com/2017/11/29/16715246/apple-releases-high-sierra-root-security-patch

Simple Note:
Bad people can do bad things if they have access to your Mac running High Sierra.