We use Nagios to check ip-addresses and services.
F-Secure Security software is very important, so we would like to check if that software is running correctly. Which FS service should we check?
I would recommend to check at least 2 services - F-Secure Hoster and F-Secure Ultralight Hoster.
Please, note, that you'd posted your question in the wrong branch of the community. Proper place for Business suite products is https://community.f-secure.com/t5/Business/bd-p/End-point_Security .