Not only is email not obsolete; it’s still being used with a great deal of success by social engineers to target business executives and one of the latest tactics is to divert wire transfer payments, using the victim’s email address to initiate fraudulent transfers of money that are directed to financial institutions in other countries or to money mules in the U.S.
Find out more here:
https://threatpost.com/fbi-social-engineering-hacks-lead-to-millions-lost-to-wire-fraud/114453