In US law: all intelligence, regardless of source, that concerns more than one government agency and relates to threats to the United States, weapons of mass destruction or homeland security.
A summary of the definition in the Intelligence Reform and Terrorism Prevention Act of 2004, as given in the 2009 ODNI guide.1
Sources
- Office of the Director of National Intelligence (USA), National Intelligence: A Consumer’s Guide, April 2009
Checked: 3 November 2026