A new report from The Guardian reveals that NSA has allegedly been tampering with U.S.-made electronic equipment including servers, routers and other network devices that are exported to foreign markets in order to insert backdoor surveillance malware, which can be later activated to spy on networks. “The agency then implants backdoor surveillance tools, repackages the devices with a factory seal and sends them on,” The Guardian writes. “The NSA thus gains access to entire networks and all their users. The [NSA leaked] document gleefully observes that some “SIGINT [short for signal intelligence] tradecraft … is very hands-on (literally!)”.” The publication obtained documents from Edward Snowden that details such operations dating back to June 2010. “In one recent case, after several