More than half of 600 executives surveyed worldwide said they had been subject to stealthy infiltration by high-level adversaries. 59 percent believed representatives of foreign governments had been involved in the attacks. The scale, operation and logistics of conducting these attacks against the government, commercial and private sectors indicates that theyre state-sponsored. The Chinese government may authorize this activity, but theres no way to determine the extent of its involvement, Mandiant says.”]
Source: https://krebsonsecurity.com/2010/01/simmering-over-a-cyber-cold-war/