Tag Archives: censorship

‘Extremely aggressive’ internet censorship spreads in the world’s democracies

By | November 17, 2020

Navigate this 3D world map by clicking, holding and dragging the mouse cursor. See how censorship levels range around the globe. The largest collection of public internet censorship data ever compiled shows that even citizens of the world’s freest countries are not safe from internet censorship. A U-M team used Censored Planet, an automated censorship tracking system launched… Read More »

Real-time monitor tracks the growing use of network filters for censorship

By | March 3, 2020

Researchers at U-M have discovered the widespread use of popular, commercial network filtering technologies for purposes of censorship in as many as 103 countries around the world. With a framework they call FilterMap, the researchers took advantage of several tools designed to detect censorship in real time to call attention to the proliferation of this technology for these… Read More »

The web really isn’t worldwide – every country has different access

By | December 7, 2018

What the internet looks like to users in the U.S. can be quite different from the online experience of people in other countries. Some of those variations are due to government censorship, but private companies – many based in the U.S. – are also building obstacles to users from around the world who want to freely explore the… Read More »

SUMIT 2017 focused on surveillance, censorship, and internet freedom

The 13th annual Security at University of Michigan IT (SUMIT) was held on Thursday, October 19. More than 550 people attended SUMIT 2017 either in person at Rackham Auditorium or virtually via the live stream throughout the day. This number represents more than 170 universities, corporations, small businesses, and nonprofits from around the country. This year, the university’s… Read More »

TapDancing around the censors

By | August 21, 2017

What if circumventing internet censorship didn’t rely on some app or service provider that could eventually get blocked, but was instead built into the very core of the internet itself? After six years in development, three research groups including the University of Michigan have joined forces to conduct real-world tests of an experimental new technique called “refraction networking.” They… Read More »

Cracks in the Great Firewall

By | February 22, 2017

The Great Firewall of China, the vast hardware and software system the Chinese government uses to prevent access to certain Internet content, is often depicted as monolithic and Orwellian. However, recent research by U-M’s Mary Gallagher (director of the Lieberthal-Rogel Center for Chinese Studies) and Blake Miller (a PhD candidate in political science) found that information control in China is more… Read More »