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Best DIY Home Security Systems of 2025: Installed and Tested

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If you plan to use Google Assistant or Alexa, be sure to buy a compatible system.

More robust systems can be pricey and harder to set up.

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission.

Installing a security system can deter burglars from sneaking in to steal your stuff while you're on vacation this summer. According to Consumer Affairs, over 60% of burglars would avoid a home with a visible on-site alarm system. DIY security systems let you build a customized solution tailored specifically to your household -- from basic motion sensors to advanced outdoor cameras and full alarm networks. Plus, installing a security system yourself can help you save big compared to professionally installed systems, even with established brands like ADT. We've tested dozens of options to help you find the best DIY security system for your home.

What is the best overall DIY home security system?

Ring/CNET

The CNET team has years of hands-on testing, with hundreds of hours of experience and plenty of insights to share. With all that expertise in mind, our pick for the top DIY home security system is the reliable, expandable, eight-piece, second-gen Ring Alarm Kit.

Read more: How to Turn Your Old iPhone or Android Into a Home Security Camera for Free

We also offer options for those who already use various smart home technologies, along with tips to consider while shopping for security solutions. If you want to start a little smaller, check out our lists of the best indoor security cameras and outdoor security cameras, as well as our rundown on the cheapest home cameras.

Before you continue: In this context, DIY means you choose and install products yourself. This means you’ll be taking care of the hardware and getting it set up with an app, without calling in a professional to do it for you. That means no contracts and no hidden fees. Read on to discover the best DIY home security systems for you.

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