Security researchers have noticed the evolution of the software being used to try to target sites such as Mastercard, PayPal and even Amazon has been evolving rapidly in the past few days, security researchers note.
But the participants also seem to be highly concentrated geographically. Nearly one-third of the downloads of the manual file are from US, and 85% users running Windows.
The number of downloads has rocketed in the past couple of days. The US leads the pack with > 9,000 downloads, UK comes second with > 3,000. Germany, Netherlands, Canada, France, Spain, Poland, Russia and Australia follow with > 1,000 - while the 11th country engaging in the attacks has been Sweden, where Wikileaks's systems are now housed, recording just 75 downloads.