macOS security updates to be enabled Tuesday, March 31

Dear Mac users,

WHAT ARE WE DOING?
Computing will be enabling security updates for Mac computers running macOS Catalina v10.15, Mojave v10.14 and High Sierra v10.13.6.

For additional information about macOS updates, please see https://fermi.service-now.com/kb_view_customer.do?sysparm_article=KB0011722

WHEN WILL THIS OCCUR?
Tuesday, March 31

WHAT IS THE IMPACT TO YOU?
Alerts announcing the availability of the security updates for manual installation will appear on your screen.

WHAT DO YOU NEED TO DO?
• Proceed with the installation when the alert appears on your screen.
• If an alert does not appear, you can check for updates manually. In macOS Catalina and Mojave, click “Software Update” in “System Preferences”. In macOS High Sierra, check for updates using the “Updates” tab in the “App Store” application.
• If you do not receive the alerts and the security updates do not appear after the software update check, please contact the Service Desk for assistance.
• Automatic installation will begin in 28 days.

If you have customized the configuration of your Mac to allow incoming SSH:
• Some updates from Apple may overwrite existing macOS system configuration files. This may cause a Mac with certain custom configurations to violate OS Baseline and be blocked from the network. Updates initiated through Jamf Self-Service will back up the existing SSHD configuration file and turn off remote login (inbound ssh). You will need to review the SSHD configuration file to ensure compliance before turning on remote login (inbound ssh).

If you use Apple’s built-in macOS software update to install Apple updates and have configured your Mac to allow incoming SSH:
• It is recommended that you back up your SSHD configuration file and disable incoming SSH before installing the update.

If you have any questions, contact the Service Desk.