Before you lock your iPad, you should set up a security method. Depending on your iPad model, this can include Touch ID or Face ID.

If you own an iPhone you're already familiar with the option to use your passcode to secure it from prying eyes. You can also use Face ID or Touch ID if you prefer to go the biometric route, too. Some ...

I said back in December that I wanted Apple to copy WhatsApp's Face ID security for iMessage. That's just one of the default iPhone apps that require extra protection to improve the user's privacy.