Introduction to CCTV Camera Systems You've certainly seen "CCTV Surveillance in Use" signs posted everywhere, even at your bank and the neighborhood coffee shop. CCTV systems are used almost universally in business security. However, what exactly does CCTV entail and how does it operate? CCTV cameras are a mainstay in crime prevention since they deter thieves, keep an eye on the area around a facility, and capture priceless evidence of…