‘Great Cannon’ Is China’s New Weapon That Shoots Down Internet Sites


China is widely suspected to be behind the recent attacks on Github and internet freedom group Great Fire. Now we have the most concrete evidence that indeed it was, and it looks like it did so using a new weapon to boot.

That’s according to a report from Citizen Lab — an ICT, security and human rights lab based within the Munk School of Global Affairs at the University of Toronto. Citizen Lab looked into these recent attacks and identified ‘Great Cannon’, a tool built to intercept data and redirect it to specific sites, as the attack system responsible for them.

The recent attacks are the first instances of the Great Cannon being deployed, and they are notable for a few reasons. Scale is one of them: Great Fire claimed “millions” of users were compromised for the attack it suffered, which hijacked Baidu and pushed the organization’s Amazon hosting bill to $30,000 per day. It is also persistent: Github…

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