For the moment, firmware versions for updated Macs are different between those running Catalina, and those running Mojave earlier. How could this affect Sierra, though?
EFI
macOS 10.15 Catalina brings EFI firmware updates for all supported models, and subsequent updates have changed those for […]
If you thought that we’d already installed Mojave 10.14.6 Supplemental Update, here’s yet another go at it, with […]
Yesterday’s surprise Supplemental Update for macOS Mojave 10.14.6 does bring EFI firmware updates for four MacBook Pro models, […]
Answers to the most commonly asked questions on my free utilities SilentKnight and its command tool sibling silnite.
Ideal for keeping an eye on networked Macs, this command tool can do everything SilentKnight can in the way of firmware and security update checks.
Increases maximum text size, adds macOS version to the report, and fixes a lot for the latest Catalina beta 4.
First release version of what was EFIcienC, to check EFI firmware, security settings, and security updates automatically.
Now does much of what LockRattler does, without the barrage of numbers. It also checks automatically whether you Mac is up to date.
You can find out which EFI version your Mac is running, but how do you know whether that’s current, or old and vulnerable?
The Eclectic Light Company 