Apple Releases Multiple Security Updates
https://www.us-cert.gov/ncas/current-activity/2018/12/05/Apple-Releases-Multiple-Security-Updates
This covers the gamut of devices so be sure to keep your eyes open for any updates to Apple devices you own or use. If you follow the article links is some cases it will be patches for administrators etc., but be aware of patches/updates to your personal devices and services.
iCloud for Windows 7.9
Safari 12.0.2
iTunes 12.9.2 for Windows
macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra
tvOS 12.1.1
iOS 12.1.1