The NSA routinely receives—or intercepts—routers, servers, and other computer network devices being exported from the United States before they are delivered to the international customers. The agency then implants backdoor surveillance tools, repackages the devices with a factory seal, and sends them on. The NSA thus gains access to entire networks and all their users. The document gleefully observes that some “SIGINT tradecraft … is very hands-on (literally!)”:
