Spam levels rise as botnets return

Four weeks after spam levels plummeted when a rogue hosting company was yanked off the Internet, junk mail volumes are again up, a researcher has said.According to IronPort Systems, spam volumes have partially recovered since the November 11 takedown of McColo, 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.
http://computerworld.com/action/article.do?command=viewArticleBasic&articleId=9123029
http://www.techworld.com/news/index.cfm?NewsID=108197
http://www.pcworld.com/article/155218/.html
http://www.networkworld.com/news/2008/120908-spam-levels-climb-as-criminals.html

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