It's more the sociological Internet-savvyness which strikes me as unlikely than the technical feat. Besides, we don't know the relative importance of computer h

It's more the sociological Internet-savvyness which strikes me as unlikely than the technical feat. Besides, we don't know the relative importance of computer hacking skills vs. social engineering vs. victim incompetence in the breach's success, although we know that all three were required to make this possible.