Aliases
Stats
Concept
The formal U.S. government system for designating and controlling access to national security information based on three sensitivity levels (Confidential, Secret, Top Secret) and compartmented access restrictions, governed by Executive Order 13526 (2009).
O sistema formal do governo dos EUA para designar e controlar o acesso a informações de segurança nacional com base em três níveis de sensibilidade (Confidencial, Secreto, Secretíssimo) e restrições de acesso compartimentado, regido pela Ordem Executiva 13526 (2009).
Enrichment
- Classified information in the United StatesWikipedia▎ high· 2026-05-14
- Three classification levels: Confidential, Secret, Top Secret
- Sensitive Compartmented Information (SCI) for intelligence sources/methods
- Special Access Programs (SAP) restrict access regardless of clearance level
- Automatic declassification after 25 years with exemptions
- Approximately 1.25 million individuals held Top Secret clearance as of 2019
- Executive Order 13526 - Classified National Security InformationNational Archives▎ high· 2026-05-14
- Executive Order 13526 issued December 29, 2009 by President Obama
- Establishes uniform system for classifying, safeguarding, declassifying national security information
- Eight protected categories including military operations, intelligence, WMD development
- Original classification authority delegated only to minimum required officials
- Mandatory annual training required for classification authorities
- 5 FAM 480 - Classifying and Declassifying National Security InformationU.S. Department of State▎ high· 2026-05-14
- Standard classification duration: 10 years; extended classification up to 25 years
- All classified documents require declassification date or event
- Interagency Security Classification Appeals Panel reviews classification challenges
- Eight classification categories defined by Executive Order
CLASSIFICATION
Description (EN)
Stub generated by entity dedup. Will be enriched in Phase 6.
Descrição (PT-BR)
Stub gerado pela deduplicação de entidades. Será enriquecido na Fase 6.
<!-- enrichment:start -->Enrichment (EN)
Classification refers to the formal U.S. government system for designating national security information based on sensitivity levels, governed primarily by Executive Order 13526 (2009). The system establishes three primary tiers—Confidential, Secret, and Top Secret—based on the extent of damage unauthorized disclosure would cause to national security. Additional control mechanisms include Sensitive Compartmented Information (SCI) and Special Access Programs (SAP), which restrict access beyond standard clearance levels. All classified documents require proper markings, declassification instructions, and automatic declassification after 25 years unless specifically exempted. This system directly applies to the Department of War UAP archive, with materials classified at various levels depending on operational sensitivity and intelligence sources/methods involved.
Enriquecimento (PT-BR)
Classificação refere-se ao sistema formal do governo dos EUA para designar informações de segurança nacional com base nos níveis de sensibilidade, regido principalmente pela Ordem Executiva 13526 (2009). O sistema estabelece três categorias primárias—Confidencial, Secreto e Secretíssimo—baseadas na extensão do dano que a divulgação não autorizada causaria à segurança nacional. Mecanismos de controle adicionais incluem Informação Compartimentada Sensível (SCI) e Programas de Acesso Especial (SAP), que restringem o acesso além dos níveis de permissão padrão. Todos os documentos classificados exigem marcações apropriadas, instruções de desclassificação e desclassificação automática após 25 anos, a menos que especificamente isentos. Este sistema se aplica diretamente ao arquivo de UAP do Departamento de Guerra, com materiais classificados em vários níveis dependendo da sensibilidade operacional e das fontes/métodos de inteligência envolvidos.
External Sources
- Classified information in the United States · Wikipedia · reliability:
high— Three classification levels: Confidential, Secret, Top Secret; Sensitive Compartmented Information (SCI) for intelligence sources/methods; Special Access Programs (SAP) restrict access regardless of clearance level; Automatic declassification after 25 years with exemptions; Approximately 1.25 million individuals held Top Secret clearance as of 2019 - Executive Order 13526 - Classified National Security Information · National Archives · reliability:
high— Executive Order 13526 issued December 29, 2009 by President Obama; Establishes uniform system for classifying, safeguarding, declassifying national security information; Eight protected categories including military operations, intelligence, WMD development; Original classification authority delegated only to minimum required officials; Mandatory annual training required for classification authorities - 5 FAM 480 - Classifying and Declassifying National Security Information · U.S. Department of State · reliability:
high— Standard classification duration: 10 years; extended classification up to 25 years; All classified documents require declassification date or event; Interagency Security Classification Appeals Panel reviews classification challenges; Eight classification categories defined by Executive Order