Botnets Infect Fewer Computers in China
The number of botnets and of computers controlled by them in China has fallen in recent years, though the country remains a top host for the networks of compromised computers, according to the government and independent researchers.
By Owen Fletcher
Chinese attackers sometimes rent their botnets out to customers, Nguyen said. Others advertise botnet setup services online for as little as 250 yuan (US$37), said McAfee's Singh.
CNCERT also found a drop in the number of servers controlling botnets in China. The number was 1,825 last year, sharply down from 6,660 the year before, according to the CNCERT report.
China ranks among the world's top spam generators and is home to some companies offering "bulletproof" hosting, in which domains are not closed down for activities like sending spam.
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