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Rustock Botnet Reportedly Taken Down, as Spam Volumes Plummet

Krebs on Security is reporting that a huge drop in the volume of e-mail spam circulating worldwide on Wednesday was the result of a planned takedown of the Rustock botnet, which, at one point, was the most prolific purveyor of spam in the entire world. According to the Composite Spam Blocklist (CBL), which measures global spam volumes, Rustock spam (usually ads for online pharmacies and male enhan...