4Chan Takes Down Mastercard Site In Support Of WikiLeaks

In retaliation for refusing to let Mastercard customers donate to Wikileaks, 4Chan has successfully taken down the website of Mastercard.com with orchestrated DDOS attacks.
The 4Chan and the Internet vigilante group Anonymous have backed Operation Payback has also lead efforts against  the RIAA. 4Chan is organizing their WikiLeaks and Julian Assange support efforts through the @Anon_Operation Twitter account and here.
Attacks have also hit Paypal and Swiss bank PostFinance and other sites which have refused service to Assange. EveryDNS.net, Visa as well as Amazon are also possible targets.
Assange himself was arrested in London yesterday under allegations of sexual mis-conduct and will be held in custody until December 14th. It remains to be seen how the WikiLeaks saga will play out, but it is very obvious that the entire Internet will be the battleground.

Source: Tech Crunch