The Citizen Lab

On June 5, 1989, an unidentified man stood alone in the street, blocking a column of tanks. Photos of the "Tank Man" have become the most iconic image of the Tiananmen crackdown #June4CensoredHistories #Tiananmen30 #Tiananmen t.co/FyPLbEnyF3 t.co/DQuOx7lK41

NEW REPORT: Censored Commemoration: Chinese Live Streaming Platform YY Focuses Censorship on June 4 Memorials and Activism in Hong Kong t.co/g2suZjuhQd

"Civil society participation must be more than just “window-dressing,” because otherwise, how can citizens trust their institutions?"- @irenepoet @victoria_heath7 @_PMolnar t.co/l5dW28eQTc

New from @OpenTechFund fellows @edok_lotosov and @ivalentovitch: an analysis of information controls in Russia and Crimea during the 2018 Russian presidential elections t.co/rc1gMJSxZe

On racialized false positive rates: "This strikes me as particularly important, given all the concerns around carding and other kinds of ethnic and racialized surveillance that have taken place by TPS in the past”- @caparsons t.co/X5ac73IhaV

In light of @SYPensions’s investment and upcoming meeting with Novalpina Capital, this letter highlights Citizen Lab’s research into the use of NSO Group’s Pegasus spyware to target human rights defenders and civil society t.co/WZPzhiKELh

1989年5月13日，學生抗議者開始在天安門廣場絕食抗議。學生們的絕食抗議為這場民主運動贏得了更廣泛的支持。至今，“89絕食”都是經常被中國審查機器過濾的內容之一。t.co/SuHFe8Z9i9 @Weiboscope @JMSCHKU t.co/UhyvIemqk5

On May 13, 1989 student protesters launched a hunger strike that galvanised support for the democracy movement in China. Another moment of censored history #June4CensoredHistories @Weiboscope @JMSCHKU t.co/VMbFTPmIMT t.co/SgW6zWJeCT

NEW REPORT: Burned After Reading: Endless Mayfly’s Ephemeral Disinformation Campaign t.co/cbBcJDFVFf

WhatsApp has just pushed out updates to close a vulnerability. We believe an attacker tried (and was blocked by WhatsApp) to exploit it as recently as yesterday to target a human rights lawyer. Now is a great time to update your WhatsApp software t.co/pJvjFMy2aw

Join @jon_penney and delve into the chilling effects of digital surveillance on May 25th at the Content Moderation Symposium t.co/4QENPWby5h

It's #WorldPressFreedomDay and @RonDeibert and @jsrailton do not mince words: "Commercial spyware is wreaking mounting havoc on civil society." t.co/ZWNxxsf5dj

"Along with a dozen other human rights groups, we urge readers to support Ahmed Mansoor by joining our campaign for his release, by posting messages of support on a Facebook page created by his friends and on Twitter under the hash tag #FreeAhmed." t.co/f4JnR8Sg5n

"The repeated use of Pegasus to target journalists and their family members over multiple years suggests a pattern of official abuse [...] This pattern is disturbing as Mexican journalists are also frequent targets for physical violence and assassination" t.co/hnQc8W9Hlr

ICYMI: t.co/e1uThKzMgW

ICYMI: @lotus_ruan discusses the often invisible censorship on @WeChatApp t.co/j0B3r6speY

And be sure to stick around for @RonDeibert delivering the closing keynote on targeted digital espionage against global civil society #GCMS2019

ICYMI: "The Chinese government is normally quick to censor discussion of protest. However, in this case it is the internet companies themselves that seem to be taking the initiative." t.co/IFk4C5lFSY

"And each year around the anniversary of the massacre, social media platforms and outspoken groups and individuals face heightened pressure to silence narratives about the movement." @weiboscope @JMSCHKU #June4CensoredHistories #Tiananmen t.co/dlFPCWRAAP

在六四事件三十周年之際，Citizen Lab & @weiboscope at @JMSCHKU 合作發布多年在中國社交媒體上搜集到的被屏蔽的關鍵詞及圖像，以敘述這段自中華人民共和國成立以來最大規模的民主運動及其被刪剪的歷史記憶。 #June4CensoredHistories #Tiananmen t.co/SuHFe8HxTz t.co/1u2ahdZstq

在六四事件三十周年之际，Citizen Lab & @weiboscope at @JMSCHKU 合作发布多年来在中国社交媒体上搜集到的被屏蔽的关键词及图像，以叙述这段自中华人民共和国成立以来最大规模的民主运动及其被删减的历史记忆。t.co/OzFjJ2kV9Y #June4CensoredHistories #Tiananmen t.co/OYVjFKLZsw

To commemorate the 30th anniversary of the 89 Democracy Movement & subsequent military crackdown, Citizen Lab & @weiboscope at @JMSCHKU are featuring images & keywords that have been censored on social media in China t.co/VMbFTPEjEr #June4CensoredHistories #Tiananmen t.co/ZdSyXwfFlS

From Saudi Arabia to Mexico to the UAE: Citizen Lab senior research fellow @billmarczak speaks about the dangers of commercial spyware at Mind the Tech, organized by @Calcalistech t.co/ueaOE5fkD5

Censorship in Chinese mobile games might seem to exist in isolation but it reveals important insight into how content controls are broadly implemented #TBT t.co/vWpqLnTbql

Newly elected President Hassan Rouhani was censored by his own government for saying the name of a reformist former president, illustrating the often absurd state of information policy in Iran. Read the latest from @RonDeibert @adam_senft @joshckoliver t.co/mSXlIKY9Zi

Freedom of expression is a human right. But who determines what we see online? This Sunday, follow the journey of five 'cleaners' who view & remove millions of posts from social media, shaping politics, perspectives & perceptions #HRWFFTO @HRWcanada t.co/3aeDonI7hZ t.co/M6jUzXPSva

To date, NSO Group has failed to show that our research is flawed or erroneous in some way. Rather, the company continues to resort to outright denials without evidentiary support. t.co/0qGzsR5Sm5