100 Most Popular Courses for November

The Christopher Columbus Rule and DHS

The Christopher Columbus Rule and DHS

Black Hat via YouTube Direct link

Black Hat USA 2012 - The Christopher Columbus Rule and DHS

1 of 1

1 of 1

Black Hat USA 2012 - The Christopher Columbus Rule and DHS

Class Central Classrooms beta

YouTube videos curated by Class Central.

Classroom Contents

The Christopher Columbus Rule and DHS

Automatically move to the next video in the Classroom when playback concludes
  1. 1 Black Hat USA 2012 - The Christopher Columbus Rule and DHS

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Sign up for free
Someone learning on their laptop while sitting on the floor.