Apple Security Update for Mac
For macOS High Sierra.
Free
In English
Version 2020-003For macOS High Sierra.
Apple Security Update is recommended for all users and improves the security of OS X. For detailed information about the security content of this update, please visit lists security updates for Apple software.
See Related Links for additional security updates.
Security Update 2020-003 is recommended for all users and improves the security of macOS.
For more information on the security content of this update see: this link
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