Journalist Glenn Greenwald published the last revelation of NSA surveillance, the agency tampers with US-made internet routers destined for foreign markets. The agency then implants backdoor surveillance tools, repackages the devices with a factory seal and sends them on. The report could have a serious impact on US companies which export technology. The NSA chief Washington,defended the NSA surveillance programs, defining them as legal and indispensable for Homeland security. He announced that he will meet counterparts of foreign countries to rebuild trust and reinforce cooperation against cyber threats.”]
Source: http://securityaffairs.co/wordpress/24932/hacking/nsa-implant-surveillance-backdoor.html