As most of us are aware, home network security is extremely important. If your Wi-Fi network is not properly secured, it leaves you vulnerable to a variety of security threats. Determined hackers can use your Internet service for free, introduce malware onto your devices, and steal your personal data. It’s even possible for a hacker to hijack your Wi-Fi router and use it, along with thousands of other hacked routers, to launch a large-scale cyberattack on a company, government agency or other organization.

Most of the time, you don’t need to know anything about how the water gets into your home—you just turn on the tap. And you don’t need to be an electrician to use your refrigerator; you just plug it in and you’re all set.