Well we have given our opinion its just depends on what you want to do. NOD32 and a firewall have worked well for me for a while. Before that i have tried NIS, ZoneAlarm Security Sutie and a few others but nothing compares to what i have now with NOD. So the choice is yours.
I do not accept support questions via EMail, PM, IM or my G+ page!
Phone: LG Optimus G Pro
Running: Stock JB from LG with Nova Launcher