At a quick glace ....
Most of the recommendations apply to all the major OS e.g. turn off Bluetooth, do not share location, keep admin account but use standard account for daily use, keep firewall on, etc.
A lot of privacy thing can also be opt-out.
OSCP, SIP and multi layer security hardening are where users could not customize.
in summary, Linux > macOS > Windows.
I don't know anything about mod and control.
AFAIK, Lemmy web ui has the most features related to mod. Photon web ui recently announced they have features parity to Lemmy web ui.
As to Connect, I do not know.