Out of curiosity, if this is done with the consent of the person whose account you're hacking (as in this example), is it illegal (considering that the corporat

Out of curiosity, if this is done with the consent of the person whose account you're hacking (as in this example), is it illegal (considering that the corporation is also a party here)? More generally, in what circumstances can you lie on the phone about your identity without committing a crime?