The only reason it is on my network is that I need it for home automation (via home bridge). I'll have to see what else I can do.
Firewall rule that prevents the tv from accessing the internet (by mac address if using dhcp, or set a static ip for the tv). Or stick it in separate quarantined IoT subnet with your devices.
Firewall rule that prevents the tv from accessing the internet (by mac address if using dhcp, or set a static ip for the tv). Or stick it in separate quarantined IoT subnet with your devices.