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Microsoft’s lawyers this week engineered a pair of important takedowns, one laudable and the other highly-charged. The software giant orchestrated a legal sneak attack against the Web servers controlling the Waledac botnet, a major distributor of junk e-mail. In an unrelated and more controversial move, Redmond convinced an ISP to shutter a popular whistleblower Web site for hosting a Microsoft surveillance compliance document.
On Feb. 22, a federal judge in Virginia granted a request quietly filed by Microsoft to disconnect 277 Internet domains believed to be responsible for directing the daily activities of the Waledac botnet, estimated to be one of the ten-largest spam botnets in existence today and responsible for sending 1.5 billion junk e-mails per day. Microsoft said it found that between December 3-21, 2009, approximately 651 million spam emails attributable to Waledac were directed to Hotmail accounts alone, including offers and scams related to online pharmacies, imitation goods, jobs, penny stocks and more.
