Vietnamese security experts claimed that the source of the cyber attacks that pummeled South Korea last week was located in Britain, a report Korean authorities confirmed as ``credible.''
Bkis, a Vietnamese agency that is a member of the Asian Pacific Computer Emergency Response Team (ACERT), said that about 166,908 ``zombie'' computers from 74 countries around the world have been used for the attacks that also hit the United States and other countries.
Bkis had been requested by KrCERT, Korea's computer emergency response team, to collaborate in analyzing the malicious software that was performing the massive distributed denial of service (DDoS) attack over four days until last weekend.
The Vietnamese agency analyzed the patterns of the malicious codes received from KrCERT and located the botnet, or software robots, controlled by eight command and control (C&C) servers via an embedded code.
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