“Please do not make it public”
Vulnerabilities in Sogou Keyboard encryption expose keypresses to network eavesdropping

App Privacy and Controls

In this report, we analyze the Windows, Android, and iOS versions of Tencent’s Sogou Input Method, the most popular Chinese-language input method in China. Our analysis found serious vulnerabilities in the app’s custom encryption system and how it encrypts sensitive data. These vulnerabilities could allow a network eavesdropper to decrypt sensitive communications sent by the app, including revealing all keystrokes being typed by the user. Following our disclosure of these vulnerabilities, Sogou released updated versions of the app that identified all of the issues we disclosed.

Featured Publications
Free Expression Online

Not OK on VK: An Analysis of In-Platform Censorship on Russia’s VKontakte

This report examines the accessibility of certain types of content on VK (an abbreviation for “VKontakte”), a Russian social networking service, in Canada, Ukraine, and Russia. Among these countries, we found that Russia had the most limited access to VK social media content, due to the blocking of 94,942 videos, 1,569 community accounts, and 787 personal accounts in the country.
Targeted Threats

Beautiful Bauhinia: “HKLeaks” – The Use of Covert and Overt Online Harassment Tactics to Repress 2019 Hong Kong Protests

In August 2019 a wave of websites and social media channels, called “HKLEAKS,” began “doxxing” the identities and personal information of pro-democracy activists in Hong Kong. While the creators of these sites and channels claimed that HKLEAKS was the product of local volunteer communities, several indicators suggest a coordinated information operation conducted by professional actors in alignment with Chinese state interests.
App Privacy and Controls

Should We Chat? Privacy in the WeChat Ecosystem

We conducted the first analysis of WeChat’s tracking ecosystem. Using reverse engineering methods to intercept WeChat’s network requests, we identified exactly what types of data the WeChat app is sending to its servers, and when. This report is part one of a two-part series on a privacy and security analysis of the WeChat ecosystem.

Lifting the lid off the Internet.

The Citizen Lab is an interdisciplinary laboratory based at the Munk School of Global Affairs & Public Policy, University of Toronto, focusing on research and development at the intersection of information and communication technologies, human rights, and global security. Learn more.

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Privacy Policy

Features & News

Citizen Lab on Jamal Khashoggi widow suing spyware firm NSO Group: CBC Radio- As It Happens with Nil Köksal, Chris Howden

In the Media

In an interview with As It Happens with Nil Köksal, Chris Howden on CBC Radio, Citizen Lab Director Ron Deibert discussed Jamal Khashoggi’s widow Hanan Elatr’s lawsuit against Israeli spyware company NSO. Hanan Elatr Khashoggi claimed in a civil lawsuit lodged with the Northern District of Virginia that NSO “intentionally targeted” her devices and “caused… Read more »

Systems and Security Technical Lead

Opportunities

Citizen Lab is looking for a Manager, Information System Security who will be responsible for working with Information Technology staff and resources at the Citizen Lab and the wider University to minimize the risk of compromising information, data, servers, and server-based applications.

Information Controls Fellowship Program 2023

News

The Information Controls Fellowship Program (ICFP) from the Open Technology Fund (OTF) fosters research, outputs, and creative collaboration on repressive Internet censorship and surveillance issues. The program supports examination into how governments in countries, regions, or areas of OTF’s core focus are restricting the free flow of information, cutting access to the open Internet, and… Read more »

CatalanGate Report: Correcting a Case

News

On December 15, 2022, as part of our regular re-analysis of past cases to find additional spyware infection indicators and details, we discovered that a researcher had misread the labels assigned to two individuals’ results, leading to a confusion between phones owned by two people with the same initials who were part of the same… Read more »

Featured Video

The risks commercial spyware poses to journalists, activists and government officials – PBS NewsHour