Separately, a Shanghai court this week sentenced a man to six months in prison after his Internet company spent the equivalent of $17,500 to launch a denial-of-service attack on a rival's servers, according to local media. The man's company, iSpeak, paid for the use of a botnet to attack rival Duowan.com, reports said. A botnet is a network of malware-infected PCs that an attacker can order to repeatedly contact a target server all at once, overwhelming the machine with requests for information and essentially shutting it down.
China officially had 338 million Internet users at the end of June, more than the population of the U.S.
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