Jason Q. Ng is a graduate student in East Asian Studies at the University of Pittsburgh and author of Blocked on Weibo, a book about censorship and sensitive topics in Chinese social media. Other recent topics of research include online reaction to the 2012 Party Congress in China and anti-Japanese discourse on Sina Weibo. He previously worked as a research consultant at China Digital Times and a book editor, having graduated with a degree in English from Brown University. Ng will be working with the Citizen Lab on various research projects over the coming summer.
WeChat and Sina Weibo adapted and evolved their censorship efforts in response to the death of Liu Xiaobo.
In this report we provide the first systematic study of keyword and website censorship on WeChat, the most popular chat app in China
In this report, we reverse engineer three popular live streaming platforms (YY, Sina Show, and 9158) and find keyword lists used to censor chat messages. Tracking changes to the keyword lists over the past year gives an inside look into how these applications implement censorship
In this paper presented at USENIX FOCI 2015 we use reverse engineering to provide a view into how keyword censorship operates on four popular social video platforms in China: YY, 9158, Sina Show, and GuaGua. We also find keyword surveillance capabilities on YY. Our findings show inconsistencies in the implementation of censorship and the keyword lists used to trigger censorship events between the platforms we analyzed. We reveal a range of targeted content including criticism of the government and collective action. These results provide evidence that there is no monolithic set of rules that govern how information controls are implemented in China.
This report is an analysis of the types of content removed by WeChat on its public accounts (also known as “official accounts”) blogging platform.
UC Browser is the most popular mobile web browser in China and India, boasting over 500 million users. This report provides a detailed analysis of how UC Browser manages and transmits user data, particularly private data, during its operation. Our research was prompted by revelations in a document leaked by Edward Snowden on which the Canadian Broadcasting Corporation (CBC) was preparing a story.
UC浏览器是一种移动浏览器，它目前拥有超过5亿的注册用户，是中国和印度最受欢迎的手机浏览器。在《啰嗦的松鼠：UC浏览器的隐私与安全问题》这一报告中，公民实验室(Citizen Lab)发现中文和英文安卓版UC浏览器中存在多个隐私及安全漏洞， 并讨论了它们的重要性。
Contained are links to a set of 9,054 sensitive Chinese keywords, which combine 13 existing lists. These keywords may be helpful to researchers who are searching for censored content in Chinese or testing for network interference.