As cyber-attacks dominate front-page news, few books are more timely and enlightening than 'Dark Territory'. Fred Kaplan probes the inner corridors of the National Security Agency, the beyond-top-secret cyber units in the Pentagon, the 'information warfare' squads of the military services, and the national security debates in the White House, to tell this never-before-told story of the officers, policymakers, scientists, and spies who devised this new form of warfare and who have been planning and (more often than people know) fighting these wars for decades.