Symantec Report Puts Corporations, Consumers in Crosshairs

ECT: Ken Dunham, iDefense director of malicious code, told TechNewsWorld that attackers and virus writers are constantly developing worm technology and increasingly using it to carry out country- or company-specific attacks.

Jeez don't download viruses in the first place, and don't use any Email Clients, also get a Anti Virus and you are safe 99%.