A new botnet has emerged that plagues advertisers marketing budgets. Dubbed the "Bahama Botnet" because it redirected traffic through 200,000 parked Bahamas based domains.
In some cases, the Bahamas botnet has afflicted up to 30% of advertisers' monthly search marketing budgets.
This botnet has done a good job of disguising its traffic by altering the interval and breadth of the attacks across a wide assortment of infected computers.