He declined to say which bank, but he offered what may be a telling hint last year as to who the megaleak will target.
"At the moment, for example, we are sitting on 5GB from Bank of America, one of the executive's hard drives," Assange told the technology site Computer World in an article published on October 9, 2009.
The Wikileaks chief continued: "Now how do we present that? It's a difficult problem. We could just dump it all into one giant Zip file, but we know for a fact that has limited impact. To have impact, it needs to be easy for people to dive in and search it and get something out of it."