I am a victim of organised crime. My computers and phones have been hacked and my house has also been broken into. I recently bought an H.View CCTV system. The DVR model is AVR-AE204. I would never connect my DVR to the internet. My wifi hub, only switched on when I browse the internet, is on the floor above my DVR. Can my DVR be hacked without physically connecting (ethernet cable) to the internet. Or if intruders connected my DVR to the internet while I was out, could hackers subsequently control it remotely without the need for physical connection? My DVR arrived with cables fitted with 50 Ohm BNC connectors. This could indicate that it is already compromised. What is a sure sign, in the settings, that my DVR has been hacked?