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Research into privacy, security, and information controls of popular applications.

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啰嗦的松鼠:UC浏览器的隐私与安全问题

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。

Asia Chats: LINE keyword filtering upgraded to include regular expressions

This report is part of a series which analyzes regionally-based keyword censorship in LINE, a mobile messaging application developed by LINE Corporation. The most recent update to the censorship keyword list include a number of new entries as well as the introduction of regular expressions for more advanced keyword matching.

Asia Chats: Update on Line, KakaoTalk, and FireChat in China

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.

Asia Chats: LINE and KakaoTalk Disruptions 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.

Asia Chats: LINE Censored Keywords Update

This report is the third in a series which analyzes regionally-based keyword censorship in LINE, a mobile messaging application developed by LINE Corporation. We document recent changes to the list of keywords used by LINE to trigger regionally-based keyword filtering for users with accounts registered to Chinese phone numbers.

Asia Chats: LINE Corporation Responds

This post is an update to our report on regionally-based keyword censorship in the popular chat application LINE. It covers responses from LINE Corporation to questions around censorship functionality in the application and recent changes to how keyword censorship and traffic encryption operate in the latest versions of LINE.

Asia Chats: Analyzing Information Controls and Privacy in Asian Messaging Applications

This post is an introduction to Asia Chats a research project analyzing
information controls and privacy in mobile messaging applications used
in Asia. The project will produce a series of reports that will begin
with a focus on WeChat, LINE, and KakaoTalk. Reports will include
analysis based on our technical investigation of censorship or
surveillance functionality, assessment of privacy issues surrounding
these applications’ use and storage of user data, and comparison of the
terms of service and privacy policies of the applications.