Well hmo has plenty of that , or you doing the building work, more money in that
Fire proof equipment makes good money, I sell a few fire retardant security blinds etc to hmo can't be bothered with fire alarms though seems risky
Poor password can cause problem often
Dmz basically opens all ports to your dvr if that's what was set to dmz , then perhaps combination of weak password and full access via ports it could be hacked
You should be disabling and securing any user access not in use
Well if you can pick a number which spells giraffe on keypad that would be great , that way when trump does the deal you will toll free 1-800-giraffe
I want 20% for the idea
You can buy them and install them, I thought they had a diy line? Just give them a quick ring and they will tell you what to go for
Although pyronix I hear is easier for diy to get hold of etc