An unprecedented computer leak lifts the veil on Chinese cyberespionage. It reveals how Beijing deploys its cyberplanetary offensive, relying on discreet IT companies with established locations.

In China, even hackers are overcome by gloom, at a time of slowdown in the world's second largest country. “My salary has not increased in three years. I also want to leave,” replies a disillusioned comrade in the sector via WeChat messaging. This article is reserved for subscribers. You have 85% left to discover. Flash sale -70% on digital subscription I ENJOY IT Already subscribed? Log in.