Masashi Crete-Nishihata

Bitter Sweet: Supporters of Mexico’s Soda Tax Targeted With NSO Exploit Links

This report describes an espionage operation using government-exclusive spyware to target Mexican government food scientists and two public health advocates.

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.

“一APP两制”:微信如何区别审查中国及海外用户

多伦多大学公民实验室的最新报告揭露了微信平台的审查机制。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

One App, Two Systems: How WeChat uses one censorship policy in China and another internationally

In this report we provide the first systematic study of keyword and website censorship on WeChat, the most popular chat app in China

It’s Parliamentary: KeyBoy and the targeting of the Tibetan Community

In this report we track a malware operation targeting members of the Tibetan Parliament that used known and patched exploits to deliver a custom backdoor known as KeyBoy. We analyze multiple versions of KeyBoy revealing a development cycle focused on avoiding basic antivirus detection.

Harmonized Histories? A year of fragmented censorship across Chinese live streaming applications

In this report, we reverse engineer three popular live streaming platforms (YY, Sina Show, and 9158) and find keyword lists used to censor chat messages. Tracking changes to the keyword lists over the past year gives an inside look into how these applications implement censorship

Masashi Crete-Nishihata on Chinese censorship of Tibetan content

In an interview with the Daily Dot, Citizen Lab Research Manager Masashi Crete-Nishihata commented on the challenges Tibetans face in using social media and other online tools to spread content considered politically sensitive by the Chinese government.

Masashi Crete-Nishihata on LINE’s IPO and censorship concerns

Citizen Lab Research Manager Masashi Crete-Nishihata was interviewed by Al Jazeera regarding censorship practices in popular Asian instant messaging applications.

‘Who’s Got Your Back? Securing Trust in a World of Backdoors and Gatekeepers

May 13 – Hong Kong

Between Hong Kong and Burma: Tracking UP007 and SLServer Espionage Campaigns

In this research note, we analyze a malware campaign targeting Hong Kong democracy activists. Two new malware families are used in the campaign that we name UP007 and SLServer. Previous reports have shown overlap in the tactics, tools, and procedures used in this campaign in other operations targeting groups in Burma, Hong Kong, and the Tibetan community.