lgn1 - 4:24 pm on Dec 8, 2010 (gmt 0)
The payment network is an intranet is private and is not affected by the DDoS attack. Its only the public facing internet site that is down.
However many news organizations have not clarified this some consummers may use visa instead of MC, so it could have a small impact on Mastercard in the short term.
There does appear to be a cyberwar beginning over wikileaks and the freedom of information.
I for one feel that the world will be a much better place with less secrets, and with greater transparency.
Although, taken PayPal, MC and Visa to court over the shutdown is a far better approach than Hackivisn.
It's ironic that you can use these services to donate to hate groups; but you can't donate to a company that is making the world a better place.