Great walls of fire: a wave of internet attacks points to an attempt to hobble foreign websites
Economist, April 4, 2015
http://www.economist.com/news/china/21647656-wave-internet-attacks-points-attempt-hobble-foreign-websites-great-walls-fire
China protests google security certificate decision
Wall Street Journal, April 2, 2015
http://www.wsj.com/articles/mistrust-between-china-and-foreign-technology-firms-simmers-1427958302
Related:
谷歌撤消信任证书 网信办：难以接受 (China’s Internet agency says Google’s decision to reject its website security certificates is unacceptable)
The New York Times, April 1, 2015
http://www.dw.de/谷歌撤消信任证书-网信办难以接受/a-18359034