There's an online epidemic that costs governments billions and threatens the personal security of consumers everywhere… Spam Nation is the first insider look at the global drug-spam problem—how it works, who buys and who profits—through the story of the world's two largest pharmacy spam operations. Blending cutting-edge research and first-hand interviews, award-winning reporter and cybercrime expert Brian Krebs delivers a riveting account of this spam empire and proposes concrete solutions for stopping it before it's too late.