In this March 20, 2013 photo, a customer sits in a branch of Shinhan Bank in Seoul, South Korea, after the bank's computer networks was paralyzed. The hackers who knocked out tens of th

 

              In this March 20, 2013 photo, a customer sits in a branch of Shinhan Bank in Seoul, South Korea, after the bank
In this March 20, 2013 photo, a customer sits in a branch of Shinhan Bank in Seoul, South Korea, after the bank's computer networks was paralyzed. The hackers who knocked out tens of thousands of South Korean computers simultaneously this year are out to do far more than erase hard drives, cybersecurity firms say: They also are trying to steal South Korean and U.S. military secrets with a malicious set of codes they’ve been sending through the Internet for years. (AP Photo/Ahn Young-joon)