«Thrilling . . . a timely reminder of investigative reporting’s power»

New Statesman

«Paced like a thriller, this is an exposé of invasive malware, and a cautionary tale»

The Economist

«Absorbing . . . a celebration of journalism and hacking being used to unmask the bad guys»

The Guardian

«A must-read for all . . . fascinating»

New Scientist

«Fascinating, shocking and remarkable . . . Incredible research underpins this outstanding book»

Literary Review

«Riveting . . . [a] captivating detective story»

TLS