This report describes the results of two independent security audits of Smart Sheriff, one by researchers who collaborated at the 2015 Citizen Lab Summer Institute (held at the Munk School of Global Affairs, University of Toronto), and the other by the auditing firm Cure53. The combined audits identified twenty-six security vulnerabilities in recent versions of Smart Sheriff (versions 1.7.5 and under). These vulnerabilities could be leveraged by a malicious actor to take control of nearly all Smart Sheriff accounts and disrupt service operations.

این گزارش به کمپین رو به رشد حملات فیشینگ علیه کاربران در گستره ایران و حداقل یک حمله به یک فعال غربی می‌پردازد. این حمله‌ها تلاش دارند تا امنیت مضاعفی که از طریق رمز عبور دو مرحله‌ای در گوگل فراهم شده است را دور بزنند و به شکل گسترده‌ای مبتنی بر تماس‌های تلفنی و تلاش برای ورود در زمان حقیقی از سوی مهاجم است. جالب اینجاست که این حمله‌ها عموما با یک تماس تلفنی از کشور انگلستان شروع می‌شده و هکرها به یکی از دو زبان فارسی و یا انگلیسی ارتباط برقرار می‌کرده‌اند.

This report describes an elaborate phishing campaign using two-factor authentication against targets in Iran’s diaspora, and at least one Western activist.

This post analyzes targeted malware attacks against groups in the Tibetan diaspora and Hong Kong that leverage the CVE-2014-4114 vulnerability

UC Browser is the most popular mobile web browser in China and India, boasting over 500 million users. This report provides a detailed analysis of how UC Browser manages and transmits user data, particularly private data, during its operation. Our research was prompted by revelations in a document leaked by Edward Snowden on which the Canadian Broadcasting Corporation (CBC) was preparing a story.

UC浏览器是一种移动浏览器，它目前拥有超过5亿的注册用户，是中国和印度最受欢迎的手机浏览器。在《啰嗦的松鼠：UC浏览器的隐私与安全问题》这一报告中，公民实验室(Citizen Lab)发现中文和英文安卓版UC浏览器中存在多个隐私及安全漏洞， 并讨论了它们的重要性。

This post describes our analysis of China’s “Great Cannon,” our term for an attack tool that we identify as separate from, but co-located with, the Great Firewall of China. The first known usage of the Great Cannon is in the recent large-scale novel DDoS attack on both GitHub and servers used by GreatFire.org.

Hundreds of members of the Tibetan community are being targeted by email-based malware attacks that leverage the March 10 Tibetan Uprising anniversary as a theme. This report analyzes two March 10 related attacks. One using a new malware family we call MsAttacker , and another using the ShadowNet malware family and command and control infrastructure related to previous campaigns that targeted the Tibetan community.

The research findings documented in this report suggest that Hacking Team may have continued to provide updated versions of its spyware to the same attacker who have targeted ESAT journalists based in the United States in 2014, despite reports of use of the spyware against journalists.

Citizen Lab Research Fellow John Scott-Railton is one of the authors of a report entitled “Behind the Syrian Conflict’s Digital Frontlines,” released today by FireEye, that documents a hacking operation that successfully breached the Syrian opposition.