The poster urges hackers to use "misleading tags", including 'Tea Party' and 'Justin Bieber', to make sure people click on the links and access the stories.

"We have, at best, given them a black eye," said the campaigners, referring to steps that hit Visa and Mastercard payments, and to the hacking of websites run by vocal opponents to Wikileaks including US politicians .

The campaigners added that "the game has changed... so too must our strategies".

Disruption caused to businesses such as Visa and PayPal who have refused to work with Wikileaks has received extensive media coverage, although some have argued that the campaign has achieved little besides causing annoyance.

Wikileaks' founder, Julian Assange, who is currently held in custody in Wandsworth prison, has sought to publicly distance the organisation from the attacks. However, a Wikileaks spokesperson said yesterday: "We believe [the attacks] are a reflection of public opinion on the actions of the targets."