Computerworld's Gregg Keizer reports that many experts question whether Microsoft's takedown of the Waledac botnet will have any impact on spam levels.

"'Waledac just is not a hugely prolific spammer,' said Joe Stewart, director of malware analysis at SecureWorks and a noted botnet researcher," Keizer writes. "'So I don't think it's going to affect spam [volume].'"

"Postini, the message security and filtering firm owned by Google, also said it had not detected any drop in spam," Keizer adds. "'The team hasn't seen any change so far,' said Google spokesman Jay Nancarrow."

Click here to read the Computerworld article.