Internet censorship and surveillance are growing global phenomena. ONI’s mission is to identify and document Internet filtering and surveillance, and to promote and inform wider public dialogs about such practices.

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Online now: Chapters 1-6 of Access Denied! Check them out here.

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Now online:
Access Denied: The Practice and Policy of Global Internet Filtering, published by MIT Press, is the first global survey of Internet filtering. The book documents and analyzes Internet filtering practices in over three dozen countries, offering the first rigorously conducted study of this accelerating trend. Look for it at your local bookstore, browse the results from the study in our country profiles and regional overviews, and check out PDFs of the other chapters!

Blog

Within a few days German member of parliament Lutz Heilmann (The Left – Die Linke) became famous in a way he probably had not expected. On Thursday, November 13, he successfully closed down www.wikipedia.de, the website of Wikipedia Germany which forwards...
With all of the news lately regarding Australia's Internet filtering scheme, one might think Australia were the first or only country to ever filter the Internet. Since the filter was announced in 2007, it has been widely criticized. First, Australia announced...
By: Firuzeh Shokooh Valle and Christopher Soghoian Since 2006, Internet users in Argentina have been blocked from searching for information about some of country's most notable individuals. Over 100 people have successfully secured temporary restraining orders that direct Google and Yahoo! Argentina...
Turkey has made headlines lately for its capricious filtering; although previous incidents involved filtering sites which insulted Kemal Ataturk or "Turkishness" in general, lately, the filtering seems nearly impulsive. A site entitled List of websites blocked by Turkish Telecom...or how Turkey disgraces...

Global Internet Filtering

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