Jakub Dalek

Articles

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.

Information Controls during Thailand’s 2014 Coup

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. In this report we document the results of network measurements to determine how the Internet is currently being filtered in Thailand and discuss other forms of information control implemented in the coup’s aftermath.

Monitoring Information Controls in Iraq in Reaction to ISIS Insurgency

In this report, we document the results of network measurement tests we ran to determine how the Internet is being filtered in Iraq in reaction to ongoing insurgency in the country. The results identify 20 unique URLs that are blocked on three Iraq-based Internet Service Providers. Notably, none of the 7 websites we tested that are affiliated with, or supportive, of the jihadist insurgent group the Islamic State in Iraq and Greater Syria (ISIS) were found to be blocked.

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.

IGF 2013: Islands of Control, Islands of Resistance: Monitoring the 2013 Indonesian IGF (Foreword)

This report, Islands of Control, Islands of Resistance: Monitoring the 2013 Indonesian IGF, is the first in a series of Citizen Lab reports that apply a mixture of methods, from technical interrogation to field research and social and legal analyses, to study information controls in and around particular events. This report focuses on information controls in and around Indonesia’s hosting of the United Nations Internet Governance Forum (IGF).

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.