China’s Great Firewall suffers its biggest leak ever as 500GB of source code and docs spill online — censorship tool has been sold to three different countries

Chinese censorship sprang a major leak on September 11, when researchers confirmed that more than 500GB of internal documents, source code, work logs, and internal communications from the so-called Great Firewall were dumped online, including packaging repos and operational runbooks used to build and maintain China’s national traffic filtering system.

The files appear to originate from Geedge Networks, a company that has long been linked to Fang Binxing — widely described as the “father” of the…