Dan Kaminsky gives captivating speech at Defcon 17

Wednesday, July 29th, 2009 at 3:26:56 PM · Photo Archive/2009/defcon_17

The energetic Dan K addresses a packed crowd, pointing emphatically at his audience as he delivers a thought-provoking speech from the podium. The bright lights shining down on him illuminate his T-shirt and the electrical devices surrounding him.