Installing a DIY security system is quick and easy to tackle ... when a glass window or door is shattered, and when entry doors and windows are opened, respectively. Add-on components like ...

The second-gen Ring Alarm has smaller door and window sensors ... One of the biggest potential hurdles for anyone installing a DIY home security system is setting up all the sensors correctly.

The best DIY security systems in our tests protect your home well with core features such as keypads, smartphone apps, and remote sirens, but most of the systems we tested showcased weak data privacy.