From Wired senior writer Andy Greenberg comes the true story of the most devastating cyberattack in history and the desperate hunt to identify and track the elite Russian agents behind it.

"Much more than a true-life techno-thriller ... a tour through a realm that is both invisible and critical to the daily lives of every person alive in the 21st century."

-Los Angeles Times

In 2014, the world witnessed the start of a mysterious series of cyberattacks. Targeting American...