PPT Slide
Computer viruses are the "common cold" of modern technology.
E-mail viruses are now twice as prevalent as they were in 2001, with one e-mail in every 200 containing a virus.
Virus-scanning company MessageLabs said it stopped 9.3 million viruses in 2 billion e-mails this year, which equated to one virus in every 215 e-mails.
Protecting Yourself Online