Address information attached to the top of an email message.
A feature in an antivirus program that checks incoming and outgoing emails for viruses.
Scrambling of data to prevent it from being seen by unauthorized people.
Legal text that a user has to agree to before installing a software package, usually in a scrollable box.
A common method of connecting computers together to form a network.
See End User License Agreement.
A program that takes advantage of a known security weakness in a computer.
Any storage device that can contain a computer file, such as a floppy disk, DVD, or CD, that can be connected to a computer or inserted into a reader attached to a computer.