FILE - In this Jan. 8, 2013 file photo, a North Korean student surfs the Internet at a computer terminal inside a computer lab at Kim Il Sung University in Pyongyang, North Korea during

 

              FILE - In this Jan. 8, 2013 file photo, a North Korean student surfs the Internet at a computer terminal inside a computer lab at Kim Il Sung University in Pyongyang, North Korea during
FILE - In this Jan. 8, 2013 file photo, a North Korean student surfs the Internet at a computer terminal inside a computer lab at Kim Il Sung University in Pyongyang, North Korea during a tour by Executive Chairman of Google, Eric Schmidt. Investigators have yet to pinpoint the culprit behind a synchronized cyberattack in South Korea last week. But in Seoul, the focus remains fixed on North Korea, where South Korean security experts say Pyongyang has been training a team of computer-savvy “cyber warriors” as cyberspace becomes fertile battlegrounds in the standoff between the two Koreas. (AP Photo/David Guttenfelder, File)