Microsoft researchers argue that only a sliver of the world s cyber crooks get rich from their illegal activity, while most struggle to make it. Dinei Flor..ncio and Cormac Herley argue that estimates of the amount by which cyber crime make a number of common errors in trying to extrapolate the extent of global cyber criminal activity. In their research, 90 percent of estimates are skewed by input from one or two individuals, they say. In 2009, Herley challenged the concept that the underground cyber crime community’s size and vitality are forces to be reckoned with.
Source: https://threatpost.com/errors-outliers-obscure-cybercrime-losses-041712/76449/