Drawing on the first-hand experiences of one of the most important protagonists in the battle - the Citizen Lab and its global network of frontline researchers, who have spent more than a decade cracking cyber espionage rings and uncovering attacks worldwide - Black Code takes readers on a fascinating journey into the battle. Thought-provoking, compelling and sometimes frightening, it is a wake-up call to those who have come to take the Internet for granted. Cyberspace is ours and is what we make of it, Deibert argues.