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Spam Volume on the Rise Again Four Weeks After Major Spam Hub Shut Down

According to IronPort Systems Inc., spam volumes have partially recovered since the Nov. 11 takedown of McColo Corp., the California hosting firm that was pulled off the Web by its upstream service providers after security researchers presented them with overwhelming evidence that it was harboring a wide range of criminal activity…

Monday, approximately 94.6 billion spam messages were sent worldwide, said IronPort, which estimated Tuesday's volume at 96.8 billion. Those numbers were 62% and 63%, respectively, of the 153 billion sent four weeks ago, the day McColo went offline. Immediately after the takedown, spam levels dropped to 64.1 billion, just 42% of the pre-McColo volume.

Global spam volume for November-December 2008 – Source: IronPort Systems

Read full story: Network World

By CircleID Reporter – CircleID's internal staff reporting on news tips and developing stories. Do you have information the professional Internet community should be aware of? Contact us. Visit Page

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