Show lock screen indicator in OS-X menu
After HDD reinstall I lost most of my customizations (by choice decided NOT to restore from TM).
The Lock in menu is provided by KeyChain Access, not by System Preferences.
Open ‘KeyChain Access’ -> Preferences, select ‘Show keychain status’
and it is back:
Author Miro Adamy
License (c) 2006-2019 Miro Adamy