/usr/share/kde4/config/kscreensaverrc is in plasma-active-default-settings 1:0.4-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | [ScreenSaver]
Enabled=true
Lock=true
LockGrace=0
Timeout=300
GreeterQML=org.kde.active.slide
|