Click fraud numbers were just released for the third quarter of 2009, and the usage of botnets to generate such fraud is on the rise — up to almost 43 percent of all click fraud is now automatically generated from botnets. This is up from around 27 percent a year ago, it should be noted. But the most insidious thing in the report is that these attacks are getting a lot more sophisticated, by spreading relatively low volumes of clicks across as wide a network of botnet-infected computers as possible, to “fake” more normal traffic patterns than the old, ... more