Officials say the attack is being coordinated from outside South Korea . Software company AhnLab said it developed the anti-virus program after receiving reports of the attack from the South Korean government Thursday . Infected `` zombie '' computers are directing traffic surges to certain sites . Targets include South Korea 's presidential office , foreign ministry and defense ministry . The hackers have also targeted banks in Japan, China and Taiwan.
Officials say the attack is being coordinated from outside South Korea . Infected `` zombie '' computers are directing traffic surges to certain sites . Targets include South Korea 's presidential office , foreign ministry and defense ministry . The hackers have also targeted banks in Japan, China and Taiwan.