North Korea was responsible for major cyber-attacks on websites in South Korea and the US, according to South Korea's spy chief.
According to a Reuters report, South Korea's spy boss Won Sei-hoon said North Korea's communications ministry was behind the attacks, which took place in July.
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The attacks crashed systems and infected computers with malware in the US and South Korea.
The Yonhap news agency reported that South Korea's spy chief Won Sei-hoon said: "The attacks on Korean and US Internet sites were traced back to circuits originating in China. North Korea's communications ministry has been confirmed as leasing the line."