LONDON ? WikiLeaks supporters struck back Wednesday at perceived enemies of the site and its jailed founder Julian Assange, launching hack attacks against Mastercard, Swedish prosecutors, a Swedish defense lawyer and a Swiss group that froze Assange's bank account.
Internet hacktivists operating under the label "Operation Payback" claimed responsibility in a Twitter message for causing technological problems at MasterCard, which pulled the plug on its relationship with WikiLeaks on Tuesday.
http://news.yahoo.com/s/ap/20101208/...i_te/wikileaks