Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    Glossary
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collateral information

Definitions:

  National security information (including intelligence information) classified Top Secret, Secret, or Confidential that is not in the Sensitive Compartmented Information (SCI) or other Special Access Program (SAP) category.
Sources:
CNSSI 4009-2022 from ICS 700-1