Lock the screen on macOS when your YubiKey is removed
Copyright Riccardo Spagni, 2021
Copyright Erik Inge Bolsø, 2020
Original copyright Nick Irvine, 2015-2016
./install.sh
This polls ioreg -p IOUSB -l -w 0, which is MUCH MUCH faster than polling system_profiler. If you use something other than a YubiKey, just find something unique (eg. the ID that comes after the class AppleUSBDevice for it) and replace the egrep in osx-lock-on-remove-usb.sh.