Apple has replaced “Security Update 2019-002” for High Sierra / Sierra. Details are as below.
Apple is local time 03 May 25, 2019, macOS Mojave 10.14.4 Build 18E226 to macOS 10.12 Sierra and macOS 10.13 High Sierra for up to two generations ago, which has continued to still supported along with the update ” Security Update 2019-002 “ update According to your comments and Apple’s support, Apple has replaced this security update on March 29-30, local time.
The Latest Build Install For Your Version Of MacOS
Security Update 2019-002 For MacOS High Sierra And MacOS Sierra Has Been Updated.
If Your Mac Is Running MacOS High Sierra Or MacOS Sierra, Please Update Your Mac To Use The Latest Build Number For Your Version of macOS:
About the security content of Security Update 2019-002 High Sierra and Security Update 2019-002 Sierra-Apple Support