2009 network security analysis in China mainland

The latest survey data about China network security were shown in this article. They revealed that the network security problems were becoming more serious in China. Computers affected and damaged by virus were very serious. Hackers had become one of the most dangerous threat. The security of the infrastructure of information service was challenged. Most of the Chinese Internet users did not believe its security. The main constraints of China´s Internet security were put forward based on the analysis of the investigation result. And also the author talked about the measures should be taken to strengthen the network security of China.