How the FBI's Carnivore System Invaded Your Privacy
Before it was disbanded, the FBI's system for tracking people's Internet use, including reading their emails and seeing what websites they visited, was called Carnivore. The data-gathering portion of Carnivore was a Pentiumbased system, on which the Carnivore packet sniffing software ran. No keyboard or monitor was attached to the computer, so no one at the ISP could make use of it.