Internet censorship is a form of censorship where a government restricts Internet users from accessing certain websites due to ideological differences or the content of the website being illegal in that country.
In March 2009, the anti-censorship site Wikileaks published a list of internet sites which had been banned within Australia. The list included a pro-Christian pro-life website.
China blocks content supporting Tibetan independence, Taiwanese independence, police brutality, the Tiananmen Square protests, freedom of speech, pornography and certain religions (including the Catholic Church). 52 bloggers are reportedly currently incarcerated for their writings.
Finland operates another system similar to that of the UK, however, the blacklist is provided by Finnish police instead of maintained by representatives of the ISPs operating under a memorandum of understanding as is the case in the UK. It was criticised for filtering the website of the Internet standards organisation W3C and content, although pornographic, is not actually child pornography.
The Internet Watch Foundation maintains a list of websites containing child pornography that ISPs voluntarily subscribe to and block access to. Recently the IWF was criticised for blocking users from viewing the album cover for "Virgin Killer" by the German heavy metal band Scorpions on Wikipedia, claiming it was child pornography. The block was removed several days later.