Download Security Update 2019-001 (High Sierra)

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Security Update 2019-001 is recommended for all users and improves the security of macOS.

For more information on the security content of this update see: http://support.apple.com/kb/HT201222

See http://support.apple.com/kb/HT5044 article for details on how to verify the authenticity of this download.