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| Version 1 | Version 2 |
|---|---|
| South Korea investigates computer 'attack' | South Korea investigates computer 'attack' |
| (35 minutes later) | |
| South Korean officials are investigating a suspected cyber-attack that has paralysed computer networks at broadcasters and banks. | |
| Broadcasters KBS, MBC and YTN told police their networks were halted around 14:00, Yonhap news agency said. | Broadcasters KBS, MBC and YTN told police their networks were halted around 14:00, Yonhap news agency said. |
| Two banks, Shinhan Bank and Nonghyup, said their networks were affected. | |
| The cause of the problems remains unknown. Last week, North Korea accused the US and its allies of attacks on its internet servers. | The cause of the problems remains unknown. Last week, North Korea accused the US and its allies of attacks on its internet servers. |
| Tension has been high on the Korean peninsula in recent weeks, following Pyongyang's 12 February nuclear test. | Tension has been high on the Korean peninsula in recent weeks, following Pyongyang's 12 February nuclear test. |
| "Members of our cyber team are investigating this now," a National Police Agency spokesman told AFP news agency. | "Members of our cyber team are investigating this now," a National Police Agency spokesman told AFP news agency. |
| Staff at the three broadcasters said their computers crashed and could not be restarted, with screens simply displaying an error message, says the BBC's Lucy Williamson in Seoul. | |
| South Korean internet service provider LG Uplus told Reuters news agency it believed its network had been hacked. | |
| An official from the presidential office told Yonhap the authorities were "now trying to determine the cause of the network paralysis", adding it was not yet known whether North Korea was involved. | |
| North Korea is believed to have been behind two major cyber-attacks on the South, in 2009 and 2011, that targeted government agencies and financial firms. |