Def Con 25, Las Vegas, NV –
Your phone rings and you check the number as a precaution against marketing calls and it looks like it is from your office. The voice on the other end says that there is an issue on the network and they need your assistance to troubleshoot. The person is calm, friendly and helpful so you agree to assist. By the time it is all done you have in advertently given away vital information about your network to a potential attacker.