Parental controls are a great way to help ensure your children have a safe and secure online experience. With YouTube, there are several ways to set up parental controls that can maximize security for your family.

The first step is to create a YouTube account for each child. This will allow you to customize the settings on their individual accounts so they only have access to appropriate content. You'll also be able to monitor their activity and keep track of what videos they watch.

Once you've created the accounts, you can begin setting up parental controls for maximum security. The most effective way is by using the Safety Mode feature in YouTube's Settings page. This allows you to block inappropriate content such as violence, explicit language, and mature topics. Additionally, this feature prevents other people from seeing or commenting on your children's videos without your permission.

You can also use Google Family Link which is an app that helps parents remotely manage their children's device usage across multiple devices like phones and tablets. It includes features such as setting daily time limits, pausing internet access when it’s not needed, approving or blocking apps downloaded from Google Play Store, viewing app activity reports and more.

Lastly, if your child uses YouTube on their mobile device or tablet then you should consider enabling restrictions in the device's operating system itself (iOS or Android). For example iOS has a “Restrictions” menu where you can limit certain types of content available in the App Store and prevent them from making purchases within apps without entering a password. Similarly Android has “Parental Controls” where you can restrict certain types of content available in the Google Play store too.

By utilizing these various methods of parental control options offered by YouTube and other platforms, you can maximize security for your family while allowing them to enjoy all that YouTube has to offer safely!