Aliases

Disambiguation

NOT to be confused with 'NOFORN' as a standalone classification level. NOFORN is a dissemination control marking applied to classified or unclassified information, not a classification level itself.

Stats

Concept

A U.S. government dissemination control marking restricting classified or sensitive information to U.S. citizens only, preventing release to foreign governments, international organizations, or non-U.S. citizens.

Uma marcação de controle de disseminação do governo dos EUA que restringe informações classificadas ou sensíveis apenas a cidadãos estadunidenses, impedindo a divulgação para governos estrangeiros, organizações internacionais ou não-cidadãos dos EUA.

Enrichment

• Classified information in the United States
  Wikipedia▎ high· 2026-05-14
  • NOFORN is a dissemination control marking applied to classified or unclassified information
  • It restricts access to U.S. citizens regardless of clearance level
  • Appears in document headers/footers separated from classification level (e.g., SECRET//NOFORN)
  • Not a classification level itself, but a handling restriction
• An Introduction to the Security and Classification System
  Federation of American Scientists (FAS)▎ high· 2026-05-14
  • NOFORN stands for 'Not Releasable to Foreign Nationals'
  • Prevents sharing with foreign governments, organizations, and non-U.S. citizens
  • Five Eyes exception may apply in some cases
  • Governed by DoD Instruction 5200.01 and related directives
• Understanding No Foreign National (NOFORN) And Protecting National Security
  ACCIYO (Defense/Security Training)▎ medium· 2026-05-14
  • NOFORN is applied when information cannot be released in any form to foreign entities without originator approval
  • Misapplication of NOFORN hinders ability to share with allies and partners
  • Standard portion marking is 'NF'
  • Part of DoD's controlled information system