Yes, you really need to be using parental controls with your kids. There are all kinds of dangers hiding on the internet:
Online predators can deceive children and get personal details and images.
Scammers can trick kids into giving away sensitive social security and financial data.
Malicious websites can embed malware in files that are aimed at children.
Predators can use AR games like Pokémon Go to target kids.
There are also reports of children experiencing trauma after using the internet unattended — especially after being exposed to violent, hateful, and graphic content. The antiviruses on this list will help you protect your kids against all of these threats.