**FILE** People use computers at an Internet cafe in Fuyang, in central China's Anhui province, on March 12, 2010. Experts say security for many computers in China is so poor that they are vulnerable to being taken over and used to hide the source of attacks from elsewhere. (Associated Press)

**FILE** People use computers at an Internet cafe in Fuyang, in central China's Anhui province, on March 12, 2010. Experts say security for many computers in China is so poor that they are vulnerable to being taken over and used to hide the source of attacks from elsewhere. (Associated Press)