From using existing wiring to repurposing old hardware or smart devices, keeping your home secure might not cost as much as you think.

Commentary: I didn't need a technician to come to my home to set up ADT's smart security system. Here's what it includes and how I did my own DIY installation. Kimanzi Constable CNET Perspectives ...

Don't throw out your old webcam — not when you can use it as the backbone of a cheap home security camera system that you can setup in just a few minutes.

The best DIY home security systems are affordable and easy to set up without a professional. NerdWallet is committed to editorial integrityMany or all of the products on this page are from partners ...

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Modern security systems include everything from motion, glass break, and entry sensors to smart smoke detectors, doorbell cameras, and smart locks. Many home security systems offer both self and 24/7 ...

Home security systems—once the exclusive domain of high-priced professional installers—have never been more affordable, and the hardware and software is simpler, more intuitive, and easier to set up ...