微信是一款具有多种功能的应用程序。之前，我们研究了小程序的隐私问题及其监视以及审查文本和图像消息。本研究重点研究微信的网络加密协议及其安全性。

微信是一個具有許多功能的應用程式。之前我們研究過圍繞小程式的隱私問題，以及微信對文字和圖片訊息的監視及審查。在這項研究中，我們主要關注微信的網路加密協定及其安全性。

Research FAQ for the full report “Should We Chat, Too? Security Analysis of WeChat’s MMTLS Encryption Protocol”

We analyzed third-party keyboard apps Tencent QQ, Baidu, and iFlytek, on the Android, iOS, and Windows platforms. Along with Tencent Sogou, they comprise over 95% of the market share for third-party keyboard apps in China. This is an FAQ for the full report titled “The not-so-silent type: Vulnerabilities across keyboard apps reveal keystrokes to network eavesdroppers.”

Read the full report “Beautiful Bauhinia: “HKLeaks” – The Use of Covert and Overt Online Harassment Tactics to Repress 2019 Hong Kong Protests.” What is this report about, and what did it find? The report is an in-depth analysis of the doxxing campaign known as “HKLEAKS”, which began in August 2019 and for at least… Read more »

This FAQ accompanies the full report on privacy in the WeChat ecosystem. We analyzes privacy issues with popular app WeChat by reviewing the data collected by the app and sent to WeChat servers during the regular operation of its various features. We find that they collect more usage data than is disclosed in the WeChat privacy policy.

We discovered over 60,000 unique censorship rules used to partially or totally censor search results across eight China-accessible search platforms analyzed. These findings call into question the ability of non-Chinese technology companies to better resist censorship demands than their Chinese counterparts.

Analysis and recommendations pertaining to the collection of de-identified mobility data and its use in Canadian privacy law. In this explainer, we discuss our findings and recommendations with Amanda Cutinha and Christopher Parsons, the report’s authors.

On April 13, the Citizen Lab published an analysis of the IATA Travel Pass. In this post, we discuss the significance of the report’s findings.

On September 28, the Citizen Lab published an analysis of COVID-19 data collection practices. In this post, we discuss the significance of the findings with report authors.