OPINIONWho was behind South Korean cyber-attacks?Cyber-attacks on government sites and major financial institutions have become an annual event in recent years.
![Media websites in South Korea proved themselves so vulnerable to the cyber-attack that only 10 percent of their websites were recovered within two days [Getty]](/wp-content/uploads/2013/03/2013331124759562734_20.jpeg?resize=270%2C180)
