Small program that runs automatically every time you start your Internet browser. BHOs are installed on your system by another software program. They are typically installed by toolbar accessories and can track your internet usage and collect other information that is used.
Applications that send information from your computer to a third party without your permission or knowledge.
A keylogger is any program that records every detail of what is done on your computer down to the keystroke on the keyboard. They record this information in a log and can send that log to a server with your information. Iinformation such as passwords, credit card information, and personal identification numbers if entered into the keyboard while these programs are running.