What are some tips for preventing virus, worm, and Trojan horse infections?
Set the macro security in programs so you can enable or disable macros
Install an antivirus program on all of your computers
Never open an e-mail attachment unless you are expecting it and it is from a trusted source
If the antivirus program flags an e-mail attachment as infected, delete the attachment immediately
Check all downloaded programs for viruses, worms, or Trojan horses
Install a personalfirewall program