Research News

Citizen Lab's latest research publications.

Cashless Society, Cached Data: Security Considerations for a Chinese Social Credit System

The second post in this series examines a Chinese mobile payment app feature increasingly covered in foreign media: testing of what may one day be a nationwide official social credit system to replace its traditional analog counterpart. Our exploration of potential security, privacy, and other issues of such a system is meant to raise questions that can inform discussions about how it will evolve.

Cashless Society, Cached Data: Are Mobile Payment Systems Protecting Chinese Citizens’ Data?

This research series presents an in-depth examination of mobile payment systems, a rapidly evolving form of financial technology. We will provide an overview of how they are used in China–where they are taking off faster than anywhere else in the world–and what implications their security and data protection practices may have for millions of users, by presenting a case study on Alipay.

Tibetans blocked from Kalachakra at borders and on WeChat

From January 2 to 13 2017, His Holiness the Dalai Lama is holding a popular Tibetan Buddhist teaching called Kalachakra in Bodh Gaya, India. Increased restrictions from the government of China has barred Tibetans in Tibet from attending the teachings. This report documents blocking of Kalachakra-related keywords on WeChat revealing how restrictions on the ritual extend online.

Security for the High-Risk User

Citizen Lab Senior Research Fellow John Scott-Railton has published an updated version of his “Security for the High-Risk user” paper, first published in the IEEE Security & Privacy in spring 2016. The updates were made based on new evidence of attacks against two-factor and account recovery SMSes, underlining the need for innovation in two-factor authentication.

IMSI Catcher Report Calls for Transparency, Proportionality, and Minimization Policies

This report investigates the surveillance capabilities of IMSI Catchers, efforts by states to prevent information relating to IMSI Catchers from entering the public record, and the legal and policy frameworks that govern the use of these devices. The report principally focuses on Canadian agencies but, to do so, draws comparative examples from other jurisdictions. The report concludes with a series of recommended transparency and control mechanisms that are designed to properly contain the use of the devices and temper their more intrusive features.