Home Security Systems Explained
From sensors to safe rooms, this guide explains how the system works.
A level-by-level guide to home security, from simple sensors to prestige-protection
By Stefanie Waldek and Elizabeth Fazzare
February 17, 2026
Today’s systems are more discreet and easier to install than ever—and don’t have to make a home look like the inside of a bank. For much of this, we can credit advances in AI, says contractor Jonathan Scott, one half of HGTV’s Property Brothers. “Features like AI-powered facial recognition and smart zone detection that used to only be available for stadiums and commercial buildings, can now be enjoyed at home,” he adds. For designers and architects, security is no longer an afterthought. It’s another layer of the project’s design.