http://g7ejphhubv5idbbu3hb3wawrs5adw7tkx7yjabnf65xtzztgg4hcsqqd.onion/html/defcon-23/dc-23-workshops-schedule.html
Also bring any mobile devices you'd like to test, such as iPhones. Sam Bowne has been teaching computer networking and security classes at CCSF since 2000. He has given talks at DEFCON, HOPE, BayThreat, LayerOne, and Toorcon, and taught classes at many other schools and teaching conferences.