Information
OL 9 must conceal, via the session lock, information previously visible on the display with a publicly viewable image.
GROUP ID: V-271676
RULE ID: SV-271676r1091740
Setting the screensaver mode to blank-only conceals the contents of the display from passersby.
Solution
Configure OL 9 to conceal, via the session lock, information previously visible on the display with a publicly viewable image.
The dconf settings can be edited in the /etc/dconf/db/* location.
Add or update the [org/gnome/desktop/screensaver] section of the "/etc/dconf/db/local.d/00-security-settings" database file and add or update the following lines:
[org/gnome/desktop/screensaver]
picture-uri=''
Add the following line to "/etc/dconf/db/local.d/locks/00-security-settings-lock" to prevent user modification:
/org/gnome/desktop/screensaver/picture-uri
Update the dconf system databases:
$ sudo dconf update