Malicious activity -- including phishing scams, bots and zombies -- is less common in China than in the United States. China represented 7% of the Internet's malicious activity, while the United States represented 31% during the second half of 2007. One rationale for the Chinese Internet monitoring system is to keep hackers at bay.
Source: Symantec Global Internet Security Threat Report, April 2008
Image credit: The Beijing Public Security Bureau