Cisco: Did Cisco help China spy on Internet? Summary: At Wednesday's hearing in Washington, Cisco Systems Vice President and General Counsel Mark Chandler says Internet systems all have built-in filtering capability, and that it's controlled by the service providers. February 15, 2006 -- 22:43 GMT (14:43 PST) Loading... Please wait. Topics: Cisco, Browser Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.