Two-factor or multi-factor authentication is a way to keep your accounts secure. Everyone who values their security and privacy should have multi-factor authentication enabled for every online account that offers it. You can usually do this with either your phone number or an authenticator app. Does Apple have an authenticator app? In this tip, I'll show you how to set up Apple's authenticator app on your iPhone.

The only way to disable the camera icon on your iPhone Lock Screen is to completely disable the Camera app in Settings. While I don't recommend keeping this setting permanently enabled, this is a good temporary solution if your camera activates during certain activities, or if you have mischievous loved ones who adore taking dozens of selfies from your Lock Screen.