Officials say the attack is being coordinated from outside South Korea . Infected ` ` zombie '' vehicles are directing traffic surges to certain targets . The government detected the first wave of the attack Thursday . These include South Korea 's presidential office , foreign ministry and defense ministry . Other South Korean sites were hit during a similar attack over three days in October .
Officials say the attack is being coordinated from outside South Korea . Infected ` ` zombie '' vehicles are directing traffic surges to certain targets . These include South Korea 's presidential office , foreign ministry and defense ministry . Other South Korean sites were hit during a similar attack over three days in October .