This campaign is the first documented case of one-click mobile exploits used to target Tibetan groups, and reflects an escalation in the sophistication of digital espionage threats targeting the community.
In this work, we study how Tencent implements image filtering on WeChat. We found that Tencent implements realtime, automatic censorship of chat images on WeChat based on what text is in an image and based on an image’s visual similarity to those on a blacklist. Tencent facilitates this realtime filtering by maintaining a hash index of MD5 hashes of sensitive image files.
This report was collaboratively written by researchers from computer science, political science, criminology, law, and journalism studies. As befits their expertise, the report is divided into several parts, with each focusing on specific aspects of the consumer spyware ecosystem, which includes: technical elements associated stalkerware applications, stalkerware companies’ marketing activities and public policies, and these companies’ compliance with Canadian federal commercial privacy legislation.
In the days leading up to the 30th anniversary of June 4 1989, YY, a popular live streaming platform in mainland China, updated its keyword blacklists with content focused on Democracy Movement related memorials and activism in Hong Kong.
Using the AMI approach, partners have launched projects around the world, including in Australia, Canada, Hong Kong, Indonesia, Malaysia, and South Korea. These projects focused on making data access requests to telecommunications companies in each country, led by a local researcher and a team of volunteers. Every country has specific laws, regulations, and corporate mechanisms that present unique challenges and opportunities in accessing data, but the results of each provide insights into the larger ecosystem of data access.
CLSI brings together academics, researchers, activists, and frontline workers and asks them to address some of the most pressing issues at the intersection of digital security and human rights.
This document provides a high-level introduction to deep packet inspection, Internet filtering, and targeted intrusion dual-use technologies with the aim of familizaring the reader with their key technical features, the surrounding international human rights law framework, and some of the leading research to date on their deployment.
The proposed rationales for weakening encryption would exchange marginal gains in limited investigative situations for significant loses with regards to Canadians’ abilities to exercise their rights and freedoms while simultaneously undermining cybersecurity, economic development, and foreign affairs. Minister Goodale should stop calling persons with well-considered policy positions on the importance of enabling the availability of strong encryption as supporters of child abusers, and get on with his job of trying to keep Canadians safe instead of endangering them with his irresponsible and dangerous encryption policy.
This year, Citizen Lab researchers will present on issues ranging from WeChat image filtering to the methodologies used for identifying commercial spyware abuses.
本报告延续上一篇针对微信朋友圈图片过滤技术的研究，分析微信如何在聊天功能中实现实时图片过滤。微信是中国腾讯控股有限公司旗下的即时通讯应用，目前是中国最受欢迎的聊天软件之一，也是全球排名第四的最流行聊天软件。朋友圈是微信上最常用的功能之一，其中图片是用户最期望看到的内容分享形式。
