Microsoft's foiling of botnet gets mixed response -- BBC

Security experts are split over the effectiveness of Microsoft's efforts to shut down a network of PCs that could send 1.5 billion spam messages a day.

The firm persuaded a US judge to issue a court order to cripple 277 internet domains used by the Waledac botnet.

... Many saw Waledac as a devastatingly active botnet. Microsoft cited one 18-day period in December when the botnet sent more than 650 million spam e-mails to Hotmail accounts for everything from online pharmacies to fake designer goods, jobs and more.

read on ...