Jack Rhysider
Jack Rhysider is the host for the podcast Darknet Diaries. He has been working as a Network Security Engineer for over 10 years. He has been defending the network from intruders and attackers for numerous Fortune 1000 companies. You can follow him on Twitter @tunnelsup.
The most common system vulnerability is due to a 40 year old, totally preventable practice. Yet we still haven't learned these simple lessons.