Research reports: Blocking of Circumvention Tools

Among other blocks, the following research reports document the blocking of censorship circumvention tools based on OONI data.

A Legal and Technical Analysis of Internet Censorship in France

6 Mar 2025

Censorship Chronicles: The systematic suppression of independent media in Russia

Translations: ru

9 Dec 2024

Kazakhstan: TLS MITM attacks and blocking of news media, human rights, and circumvention tool sites

Translations: ru , kk

19 Sep 2024

Tanzania: Surge in online LGBTIQ censorship and other targeted blocks

Translations: sw

11 Apr 2024

OONI measurements show ongoing internet censorship in Azerbaijan

28 Feb 2023

How Internet censorship changed in Russia during the 1st year of military conflict in Ukraine

Translations: ru

24 Feb 2023

iMAP State of Internet Censorship Report 2022 - Indonesia

23 Dec 2022

iMAP State of Internet Censorship Report 2022 - Myanmar

23 Dec 2022

iMAP State of Internet Censorship Report 2022 - Philippines

23 Dec 2022

iMAP State of Internet Censorship Report 2022 - Thailand

23 Dec 2022

Technical multi-stakeholder report on Internet shutdowns: The case of Iran amid autumn 2022 protests

29 Nov 2022

Russia started blocking Tor

17 Dec 2021

A multi-perspective view of Internet censorship in Myanmar

11 Nov 2021

Media censorship in Azerbaijan through the lens of network measurement

2 Jul 2021

Myanmar: Data on internet blocks and internet outages following military coup

9 Mar 2021

Uganda: Data on internet blocks and nationwide internet outage amid 2021 general election

22 Jan 2021

Tanzania blocks social media (and Tor?) on election day

28 Oct 2020

Belarus protests: From internet outages to pervasive website censorship

15 Sep 2020

Uganda's Social Media Tax through the lens of network measurements

12 Nov 2018

The State of Internet Censorship in Venezuela

16 Aug 2018

Mali: Social media disruptions amid 2018 presidential election?

31 Jul 2018

The State of Internet Censorship in Egypt

2 Jul 2018

Ethiopia: Verifying the unblocking of websites

29 Jun 2018

Iran Protests: OONI data confirms censorship events (Part 1)

5 Jan 2018

Internet Censorship in Iran: Network Measurement Findings from 2014-2017

28 Sep 2017

Measuring Internet Censorship in Cuba's ParkNets

28 Aug 2017

#EgyptCensors: Evidence of recent censorship events in Egypt

19 Jun 2017

The State of Internet Censorship in Indonesia

23 May 2017

The State of Internet Censorship in Thailand

20 Mar 2017

Ethiopia: Evidence of social media blocking and internet censorship

14 Dec 2016

urandom.pcap: Belarus (finally) bans Tor

8 Dec 2016

Egypt: Media censorship, Tor interference, HTTPS throttling and ads injections?

27 Oct 2016