Collateral freedom
{{Short description|Internet censorship circumvention technique}}
Collateral freedom is an anti-censorship strategy that attempts to make it economically prohibitive for censors to block content on the Internet.{{cite web | url=https://openitp.org/pdfs/CollateralFreedom.pdf | title=Collateral Freedom - A Snapshot of Chinese Internet Users Circumventing Censorship | publisher=Open Internet Tools Project | date= | accessdate = 28 December 2016 | author1=Robinson, David | author2=Yu, Harlan | author3=An, Anne | archive-url = https://web.archive.org/web/20130718065958/http://openitp.org/pdfs/CollateralFreedom.pdf | archive-date = 2013-07-18 }}{{Cite web|url=https://en.greatfire.org/blog/2014/jan/collateral-freedom-faq|title=Collateral Freedom FAQ {{!}} GreatFire Analyzer|website=en.greatfire.org|access-date=2017-01-04}}{{Cite web|url=https://www.opentech.fund/project/greatfire-expanding-collateral-freedom|title=Greatfire - Expanding Collateral Freedom {{!}} Open Technology Fund|website=www.opentech.fund|access-date=2017-01-04}} This is achieved by hosting content on cloud services that are considered by censors to be "too important to block," and then using encryption to prevent censors from identifying requests for censored information that is hosted among other content, forcing censors to either allow access to the censored information or take down entire services.{{Cite web|url=http://www.cnn.com/2015/06/04/opinions/china-great-cannon/index.html|title=How China's 'Great Cannon' works|first=Nicholas |last=Weaver|website=CNN|date=5 June 2015|access-date=2017-01-04}}{{Cite news|url=https://www.theguardian.com/world/2016/apr/14/greatfire-activist-urges-western-firms-to-help-end-chinese-censorship|title=GreatFire activist urges western firms to help end Chinese censorship|last=Hern|first=Alex|date=2016-04-14|newspaper=The Guardian|language=en-GB|issn=0261-3077|access-date=2017-01-04}}{{Cite web|url=https://techcrunch.com/2015/03/30/greatfire/|title=These Activists Are Plotting To End Internet Censorship In China|last=Russell|first=Jon|website=TechCrunch|date=30 March 2015 |access-date=2017-01-04}}{{Cite web|url=https://12mars.rsf.org/2016-en/collateral-freedom-how-we-are-doing-it/|title=Collateral Freedom – how we are doing it {{!}} Collateral Freedom|last=|first=|date=|website=12mars.rsf.org|publisher=Reporters Without Borders|access-date=2017-01-04|archive-url=https://web.archive.org/web/20170104165310/https://12mars.rsf.org/2016-en/collateral-freedom-how-we-are-doing-it/|archive-date=2017-01-04|url-status=dead}}{{Cite web|url=http://betanews.com/2015/03/12/reporters-without-borders-unblocks-access-to-censored-websites/|title=Reporters Without Borders unblocks access to censored websites|date=2015-03-12|website=BetaNews|access-date=2017-01-04}}{{Cite news|url=https://www.washingtonpost.com/world/asia_pacific/the-cat-and-mouse-game-between-chinas-censors-and-internet-activists/2016/06/14/77f2b3a8-1dd9-11e6-b6e0-c53b7ef63b45_story.html|title=Internet activists are finding ways around China's Great Firewall|newspaper=Washington Post|access-date=2017-01-04}}