'A brilliant page-turner by one of Holland's finest investigative journalists' Rutger Bregman, author of Humankind

'Essential . . . What's revealed are networks of spies and criminals fighting an invisible war that involves us all' Eliot Higgins, bestselling author of We Are Bellingcat

Summer 2017: computer screens go blank in 150 countries. The NHS is so affected that hospitals can only take in patients for A&E. Ambulances are grounded. Computer screens turn on spontaneousl...