The Citizen Lab is pleased to announce the release of Some Devices Wander by Mistake: Planet Blue Coat Redux. In this report, we use a combination of network measurement and scanning methods and tools to identify instances of Blue Coat ProxySG and PacketShaper devices. This equipment can be used to secure and maintain networks, but can also be used to implement politically-motivated restrictions on access to information, and monitor and record private communications. We found Blue Coat devices on public networks of 83 countries. Included in these countries are regimes with questionable human rights records, and three countries that are subject to US sanctions: Iran, Syria, and Sudan.

Working with the just-released China Chats keyword list, Jason Q. Ng extended The Citizen Lab/UNM’s analysis by checking whether each of the 4,256 keywords was blocked from searching on Sina Weibo. This report includes further analysis and examination of other potential censorship tactics by Weibo revealed in the data.