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Spam Volumes Rising Despite McColo Shutdown

December 1st, 2008

Spam is on the rise again, just in time for the holiday shopping season. Spam dropped two-thirds in November after Silicon Valley-based McColo, a major spam network, was shut down. At the time, Symantec correctly predicted little long-term effect on spam levels.”Symantec cautions users to continue to be on guard against spam and malicious code attacks as attackers have traditionally tried to leverage festive session and topical global events to lure users into opening and responding to their messages,” said Vincent Weafer, senior director of the Symantec Antivirus Research Center.

Launching Christmas Campaigns

Symantec warned that control systems would be reestablished and the McColo shutdown would drive spammers toward peer-to-peer botnets, which are more resilient. It also warned that the end of the year sees a large increase in spam volume, often driven by holiday spending. The profit motive encourages spammers to find a way to get their messages to victims.

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