the image could be changed on your webserver in following path:
there you have to replace the logo.gif file.
Markus, I tried that, and the logo in the main webpage header is still the same "Landesk" (c:\intepub\wwwroot\LANDesk\LDMS\img\logo.gif)
then replace also the logo.png in the same folder.
Correction to my last replay, that worked, looks like I had to reload the web page (actually pressing F5 in the browser) or clear cache using dev tools.
The link is still pointing to landesk.com (I wish LANDESK would give us more branding customization...)