Publications

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.

In this report, we update the results of our June 2014 network measurement tests in Iraq in reaction to the ongoing insurgency in the country, and analyze two mobile applications, FireChat and Dawn of Glad Tidings.

In this post we report updates on how LINE, KakaoTalk, OneDrive and Flickr are being disrupted in China. We find that Flickr and OneDrive remain consistently blocked, but LINE and KakaoTalk show inconsistent fluctuation between accessibility and inaccessibility. We also analyze security and privacy of FireChat and test accessibility of the service in China.

In this post we examine how the Great Firewall of China is implementing DNS tampering and HTTP request filtering on KakaoTalk and LINE domains, which is disrupting service of the applications as a result. We find that Flickr and OneDrive are also blocked through DNS tampering. We also analyze recent changes to the LINE keyword filtering list.

Background & Key Findings The May 2014 coup d’etat in Thailand was the 19th coup attempt in the country’s history. It stands out from previous coups due to the military junta’s focus on information controls (defined below in more detail). It was also the first time that martial law was imposed before the coup, allowing […]