With each passing year, the internet-linked attacks on America’s interests have grown in both frequency and severity. Overmatched by our military, countries like North Korea, China, Iran, and Russia have found us vulnerable in cyberspace. The “Code War” is upon us.

In this dramatic book, former Assistant Attorney General John P. Carlin takes readers to the front lines of a global but little-understood fight as the Justice Department and the FBI chases down hackers, online terrorist recruiters, and spies. Today, as our entire economy goes digital, from banking to manufacturing to transportation, the potential targets for our enemies multiply. This firsthand account is both a remarkable untold story and a warning of dangers yet to come.