South Korean spies broke into the hotel room of Indonesian officials visiting Seoul last week to find out what price the Southeast Asian nation may bid for weapons and trainer jets, the Chosun Ilbo newspaper reported.
Park Sang Hak rides in a minivan down the highway, speeding past signs for Pyongyang.
South Korea warned computer users to take precautions against a new computer virus one day after a series of online attempts to cripple government websites.
South Korea issued an alert against cyber attacks after websites run by government agencies, including the presidential office and the national intelligence agency came under assault.
South Korean prosecutors arrested two North Koreans on suspicion they were sent to murder the highest-ranking member of the communist regime ever to defect, an intelligence official said.