In Pictures: The biggest Internet security challen...
A reporter of the YTN news channel prepares to report live in front of the Cyber Terror Response Center of the Korean National Police Agency in Seoul. A hacking attack in March hit the network servers of television broadcasters YTN, MBC and KBS as well as two major commercial banks, Shinhan Bank and NongHyup Bank. About 32,000 computers at the organizations were affected, according to the South's state-run Korea Internet Security Agency, adding it would take up to five days to fully restore their functions.
In Pictures: The biggest Internet security challenges of 2013