Trailrunner7 writes "After Microsoft's actions to take down the Waledac botnet last month, there was some question about whether the operation was much more than a grab for headlines that would have little effect on actual spam levels or malware infections. But more than three weeks after the takedown, researchers say that Waledac has essentially ceased communications and its spam operations have dropped to near zero. One researcher said that Waledac now seems to be abandoned. 'It looks crippled, if not dead,' said Jose Nazario, a senior security researcher at Arbor Networks."
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