Reports

Our research publications are often technical and complex, here we aim to communicate our research to a broader audience.

06 April 2021

Throttling of Twitter in Russia

As of March 10, 2021, Russia has throttled access to several Twitter-related domains.

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01 January 2021

Investigating Filtering of COVID-19 Websites

A global study of filtering of websites from top COVID-19 search results

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10 November 2020

Censored Planet: An Internet-wide, Longitudinal Censorship Observatory

Exploring 20 months of censorship measurement data collected from 221 countries shows evidence of increasing censorship in many countries.

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10 August 2020

US Government and military websites are geoblocked from Hong Kong and China

US government and military websites have implemented technical measures to drop traffic from China and Hong Kong.

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11 February 2020

FilterMap: Internet-Wide Detection of Filter Deployment

Investigation into the global proliferation of content filtering technologies used for censorship using FilterMap, a novel framework that can scalably...

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06 November 2019

Censorship in Russia

How the Russian government is gradually building national-level censorship policies on thousands of ISPs using commodity DPIs. Censored Planet obtained...

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23 July 2019

Kazakhstan’s HTTPS Interception

The Kazakhstan government recently began using a fake root CA to perform a man-in-the-middle (MitM) attack against HTTPS connections to...

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06 April 2021

Throttling of Twitter in Russia

As of March 10, 2021, Russia has throttled access to several Twitter-related domains.

Read Report
01 January 2021

Investigating Filtering of COVID-19 Websites

A global study of filtering of websites from top COVID-19 search results

Read Report
10 November 2020

Censored Planet: An Internet-wide, Longitudinal Censorship Observatory

Exploring 20 months of censorship measurement data collected from 221 countries shows evidence of increasing censorship in many countries.

Read Report
10 August 2020

US Government and military websites are geoblocked from Hong Kong and China

US government and military websites have implemented technical measures to drop traffic from China and Hong Kong.

Read Report
11 February 2020

FilterMap: Internet-Wide Detection of Filter Deployment

Investigation into the global proliferation of content filtering technologies used for censorship using FilterMap, a novel framework that can scalably...

Read Report
06 November 2019

Censorship in Russia

How the Russian government is gradually building national-level censorship policies on thousands of ISPs using commodity DPIs. Censored Planet obtained...

Read Report
23 July 2019

Kazakhstan’s HTTPS Interception

The Kazakhstan government recently began using a fake root CA to perform a man-in-the-middle (MitM) attack against HTTPS connections to...

Read Report

External Reports

06 December 2018

403 Forbidden: A global view of CDN Geoblocking

What the internet looks like to users in the U.S. can be quite different from the online experience of people in other countries.

01 January 2018

Towards Continual Measurement of Global Network-Level Censorship

Many accounts of censorship begin—and end—with anecdotes or short-term studies from a handful of vantage points. To enable continuous measurement of network-level censorship on ...

01 December 2017

Global-Scale Measurement of DNS

Despite the pervasive and continually evolving nature of Internet censorship, measurements remain comparatively sparse. Understanding the scope, scale, and evolution of Internet...

30 August 2016

Routing Around Nationstates

Since 2013, Brazil has taken significant steps to build out their networking infrastructure to thwart nation-state mass surveillance. For example, the country is deploying a 3,...

10 April 2015

China’s Great Cannon - Analysis

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 ...

In the Media

Censored Planet projects and research reports have appeared in various news outlets and tech publications.


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