Make sure the two step verification always secure our account from outsiders and they didn’t access our account. If you yet not set up the two step verification process in your icloud, hurry up then before someone hack your icloud account. But if don’t know this process the try the steps which I mention here.
First of all you have to turn on the two factor authentication. If user using iOS 10.3 then:
• First move to setting (your name) then enter the password and security. After that turn on the two factor authentication. And click on continue.
If user using iOS 10.2 then:
• First of all go to setting option then click on icloud. Now click on your apple id and password and security. Then turn on the two factor authentication and click on continue.
• After that you have to enter and verify the trusted phone number.