After sending shudders through the diplomaticcommunity and the military with its release of troves of documents in recent months, WikiLeaks' has turned its sights to Wall Street.

Julian Assange, the secretive founder of WikiLeaks, told Forbes that he's planning a leak early next year related to 'a big U.S. bank.'

'We have one related to a bank coming up, that's a megaleak. It's not as big a scale as the Iraq material, but it's either tens or hundreds of thousands of documents depending on how you define it....

It will give a true and representative insight into how banks behave at the executive level in a way that will stimulate investigations and reforms, I presume.'