Chinese hackers have recently attacked websites that help internet users bypass censors. The targets were Github and Greatfire.org, sites that allowed users access to blocked content. The government used Baidu to feed malicious code into computers to allow them to bombard Github and Greatfire.org with service requests. (National Coalition Against Censorship, April 2, 2015, by Oliver Morrison)
The hackers shut down Github for five days and researchers have determined that the attacks could not exist without the complicity of Chinese authorities. The Chinese government has not commented on the charges. (Ars Technica, March 31, 2015, by Dan Goodin)