Microsoft Says Rustock Botnet Cut in Half [by Dennis Fisher | threatpost.com]

In March, Microsoft announced that its Digital Crimes Unit had scored a major victory in the war against hackers with the takedown of the Rustock botnet. Since then, the company has continued to monitor the activity of the network and the machines infected with the Rustock-related malware and found that the botnet is now less than half the size that it was before the takedown.
The Rustock botnet was a huge player in the global spam and cybercrime machine, and researchers reported a precipitous drop in spam levels after the takedown. That drop was temporary, but the more lasting effect of the Rustock takedown was the disinfection of a huge number of the PCs that previously had been part of the botnet.

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