Half of China's computers infected by malware, study finds

China often gets blamed as the world's biggest hacker, but it may also be the world's biggest victim of cybercrime. Nearly 55 percent of Windows PCs in China were infected with malware in 2012, said Spanish anti-virus software maker Panda Labs in its annual security report.

However, that conflicts with a Microsoft study that said Chinese infection rates were very low, less than half a percentage point, in the last quarter of 2011.

The wildly different numbers may say more about the two companies' different aims than about how infected China, or any other country, really is -- and how difficult it is to compile accurate statistics relating to computer security.

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