In September 2013 an Ofcom survey revealed that 2% of Internet users are responsible for 74% of all copyright-infringing downloads in the UK, and that 29% of all downloads are of content which violates copyright.
Talk Talk already had content-control software available to comply with government requirements.
Their Home Safe internet filtering system was introduced in May 2011 as an opt-in product and was used for default filtering of new customers from March 2012.
The current legal status of ISP web blocking is voluntary, but there have been a number of attempts to introduce legislation to move it onto a mandatory footing.
David Cameron first announced such legislation in July 2013 and no Government legislation to this effect occurred during the 2010-15 Parliament.
Subsequent attempts to access the site from a BT IP address were met with the message "Error - site blocked".
Newzbin claimed that over 90% of its active UK users had downloaded its workaround software making the BT block ineffective.In May 2015, a leaked Council of the European Union document on the topic of net neutrality suggested users would have to opt into blocks, rather than opt out as per the current UK government's plans.John Carr of the UK Council for Child Internet Safety said of the proposals: 'a major plank of the UK’s approach to online child protection will be destroyed at a stroke'.However, the requirement that a UK government adheres to EU rules on net neutrality may disappear at some point in future when the United Kingdom leaves the European Union.Wide-scale inadvertent 'overblocking' has been observed since ISP default filtering was introduced at the end of 2013.The filtering program has applied to new ISP customers since the end of 2013, and has been extended to existing users on a rolling basis.