The Guardian Threat Tracking System is a reporting system used by the United States

Federal Bureau of Investigation The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. Operating under the jurisdiction of the United States Department of Justice, ...

to track threats and other intelligence information. It was established to collect data on terrorist threats and suspicious incidents, at seaports and other locations, and to manage action on various threats and incidents. Although Guardian was first used the latest of 2005, on August 21, 2007, the US Department of Defense announced that Guardian would take over data collection and reporting which had been handled by the TALON database system. Defense Department to Close TALON System
Sgt. Sara Wood, USA, American Forces Press Service, 8/21/07.

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