It may be very low in the industry, but you should remember that more and more cheap ChiCom chips are appearing in many areas as time goes by, and far too many of them appear to have “backdoors” installed by default as soon as they come off of the assembly line.
The day may come when you are upgrading your systems and you then come to find that the equipment you are “upgrading” to (or even “patching” your current systems to) will be in the background sending data to sites you would not wish them to, such as for instance mainland China...
That has always been a major concern since most of our computer hardware is made in China. Well everything is made in China these days that is electronic related.
The largest manufacture of IP CCTV equipment is a company that most people probably never hear of. But they probably heard of or seen the brands on the shelf.