# [[Great Cannon|Great Cannon]] Links: [[Citizen Lab]], [[China]] ## [China’s Great Cannon](https://citizenlab.ca/2015/04/chinas-great-cannon/) Report by [[Citizen Lab]] _This post describes our analysis of China’s “Great Cannon,” our term for an attack tool that we identify as separate from, but co-located with, the Great Firewall of China. The first known usage of the Great Cannon is in the recent large-scale novel DDoS attack on both GitHub and servers used by GreatFire.org._