Spreading the click fraud out across thousands of sites makes it harder to detect, but it also requires a lot more people to perpetrate it.

在数万站点上进行点击欺诈让侦测工作变得非常困难，但是这种诈骗方式也需要大量的人手来实施。

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There clearly was concealment and collusion to perpetrate a fraud within the bank and from outside forces.

FORBES: A Tale of Two Lawsuits -- PricewaterhouseCoopers and Colonial Bank

Andy Dufresne explained to his friend Red (aka Morgan Freeman) just how easy it is to invent a phony silent partner and perpetrate financial fraud if you know how the system works.

FORBES: Harry Reid, Shawshank Redemption, And The Invention Of A Phony Global Warming Scare