name: Department of Homeland Security Vocabulary
description: >-
  Shared vocabulary of terms used across DHS public APIs and feeds, including
  OpenFEMA, USCIS, CISA, NTAS, and the DHS Open Data Catalog.
terms:
  - term: DHS
    definition: >-
      The U.S. Department of Homeland Security, the cabinet department
      responsible for domestic security, immigration, and disaster response.
  - term: FEMA
    definition: >-
      The Federal Emergency Management Agency, the DHS component that
      coordinates federal disaster response and publishes OpenFEMA datasets.
  - term: OpenFEMA
    definition: >-
      FEMA's free, no-key REST API and dataset library exposing more than 70
      data products related to disasters and federal assistance.
  - term: Disaster Declaration
    definition: >-
      A federally declared major disaster, emergency, or fire management
      assistance event recorded in OpenFEMA.
  - term: Public Assistance
    definition: >-
      A FEMA grant program that funds disaster response and recovery for
      state and local governments, recorded in OpenFEMA.
  - term: USCIS
    definition: >-
      U.S. Citizenship and Immigration Services, the DHS component
      administering immigration and naturalization benefits.
  - term: Case Status
    definition: >-
      The current processing state of a USCIS case, retrievable by receipt
      number through Case Status Online and the Case Status API.
  - term: Receipt Number
    definition: >-
      A unique identifier for a USCIS case used to look up status and
      history.
  - term: FOIA
    definition: >-
      The Freedom of Information Act under which the USCIS FOIA API accepts
      and tracks requests.
  - term: CISA
    definition: >-
      The Cybersecurity and Infrastructure Security Agency, the DHS component
      responsible for civilian cyber defense.
  - term: KEV Catalog
    definition: >-
      CISA's Known Exploited Vulnerabilities catalog of CVEs known to be
      actively exploited in the wild, published as JSON and CSV.
  - term: CVE
    definition: >-
      A Common Vulnerabilities and Exposures identifier referenced in the
      CISA KEV catalog.
  - term: Required Action
    definition: >-
      The remediation action federal civilian agencies must take for a KEV
      entry by its due date.
  - term: NTAS
    definition: >-
      The National Terrorism Advisory System through which DHS issues alerts
      and bulletins consumable as XML feeds.
  - term: TSA
    definition: >-
      The Transportation Security Administration, the DHS component that
      secures U.S. aviation and surface transportation.
  - term: CBP
    definition: >-
      U.S. Customs and Border Protection, the DHS component responsible for
      border security and trade.
  - term: ICE
    definition: >-
      U.S. Immigration and Customs Enforcement, the DHS component focused on
      transnational crime and immigration enforcement.
  - term: USCG
    definition: >-
      The U.S. Coast Guard, the DHS service responsible for maritime safety,
      security, and stewardship.
  - term: OHSS
    definition: >-
      The Office of Homeland Security Statistics, the DHS office that
      publishes immigration and homeland security statistics.
  - term: Dataset
    definition: >-
      A collection of related data files published on data.gov or a DHS
      catalog with metadata and documentation.