Tried, Tested Methods Still Work for Virus Writers

One new trend was introduced in 2003: More worm writers were motivated by profit, and thats likely to continue next year. Some experts contend that there is a connection between malicious code writers and spammers.

Also, blended threats arent going away. Experts warn of more worms like SQL Slammer and Blaster.

Mass-mailer worms were far from dead in 2003. There were several high-profile mass-mailers this year, from Swen to Sobig.

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