After a bit more investigation, being in the `nopasswdlogin` group is what causes the switch-user screen to not ask for a password.
Having `autologin-user` set to your username in /etc/lightdm/lightdm.conf is what works correctly. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1706770 Title: Lock screen can be bypassed when auto-login is enabled. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-mate/+bug/1706770/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
