Macos System Keychain Locked
If you know your old password use that password to update your existing login keychain.
Macos system keychain locked. All your data inside that file is safe if your password is not compromised. Or at least this is how i believe it works i ve written an extensive paper on ios security and am inferring how the mac handles things based on that. The keychain may be set to be automatically locked if the computer has been idle for a time and can be locked manually from the keychain access application. Your personal keychain is stored in library keychains and it is heavily encrypted and locked with your mac user account password.
When locked the password has to be re entered next time the keychain is accessed to unlock it. Keychain access is a macos app that stores your passwords and account information and reduces the number of passwords you have to remember and manage. The login keychain locks itself whenever you log out of your account. An essential mac os x keychain guide.
From the list of keychains on the left side of the window select login from the edit menu in the menu bar. Open the keychain access app which is in the the utilities folder of your applications folder. System keychain location click on the magnifying glass in the upper right hand corner to open up spotlight search in the search field type. Keychain access click on keychain access.
To auto lock keychain select it and.