CCTV versus security cameras is often used interchangeably but has technical differences. CCTV stands for Closed Circuit Television, traditionally meaning analog cameras that send video over coaxial cable to a closed system of monitors and DVRs not broadcast publicly. Security cameras is broader term that includes both old analog CCTV and modern IP cameras that send digital video over network and internet, allowing remote viewing on phones, cloud storage, and advanced features like AI detection. So all CCTV cameras are security cameras, but not all security cameras are traditional CCTV. Modern systems often still called CCTV out of habit even when they are IP based. Differences include wiring, CCTV uses coax and requires DVR, IP security cameras use Ethernet or WiFi and NVR or cloud, resolution, IP cameras typically offer higher resolution 4K versus older CCTV 1080p or less, features like motion alerts, two way audio, and smart analytics are common in IP security cameras but not in basic CCTV. Legally both are treated similarly for privacy laws. If buying today, most people buy IP security camera systems but may still call them CCTV for simplicity.
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