A worm is a self-contained, fast replicating program that allows attackers to control your computer. A worm uses a network to send copies of itself to other systems, such as sending email messages using a victim's address book.
Protect Yourself!: Follow these steps to install and configure antivirus software, and download and install updates to your computer’s operating system. Also think twice before opening email attachments or downloading free programs like peer-to-peer software.
Read more security tips from Security Awareness Central.