More from Brian Krebs on botnets. According to one source, the problem of botnets is far greater than most security experts realize. Krebs interviewed David Dragon, a Ph.D. candidate at Georgia Tech, and researcher with the Honeybee Alliance, an international volunteer group doing extensive studies on botnets. Dragon tracked an estimated 13.1 million distinct bots in a 13 month time period ending this past January! Go read Krebs' write up for the details.
Folks, the way to keep your Windows machine from being owned by a botmaster is to keep it updated!! Use a router and firewall and run an updated antivirus at all times.