How Apple’s Startup Security Utility and Secure Boot works
The new imac Pro comes with a new set of options for restricting how it starts up.
With the appearance of the fancy new imac Pro, Apple has also added some startup options available exclusively on this model. If you’re a new owner, here’s how the new Startup Security Utility ( go.macworld.com/stas) works at providing enhanced protection against people who might gain physical access to your computer.
It’s available only through macos Recovery, Apple’s current name for the mini-operating system on a separate partition on your startup macos volume