Infrastructure Security Division

E4593

component of the Cybersecurity and Infrastructure Security Agency government agency division

The Infrastructure Security Division is a component of the U.S. Cybersecurity and Infrastructure Security Agency responsible for protecting and enhancing the resilience of the nation’s critical physical infrastructure.

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All labels observed (3)

Label	Occurrences
Infrastructure Security Division canonical	2
CISA Infrastructure Security Division	1
Industrial Control Systems Cyber Emergency Response Team	1

How this entity was disambiguated

This entity first appeared as the object of triple T33430 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Infrastructure Security Division
Context triple: [Cybersecurity and Infrastructure Security Agency, hasPart, Infrastructure Security Division]

A. Cybersecurity Division
The Cybersecurity Division is a key operational branch of the Cybersecurity and Infrastructure Security Agency responsible for protecting federal networks and critical infrastructure from cyber threats.
B. Cybersecurity and Infrastructure Security Agency
The Cybersecurity and Infrastructure Security Agency (CISA) is a U.S. federal agency responsible for enhancing the security, resilience, and reliability of the nation’s cybersecurity and critical infrastructure.
C. IRT Division
The IRT Division is one of the original operating divisions of the New York City Subway, historically derived from the Interborough Rapid Transit Company and encompassing the system’s numbered subway lines.
D. Information Security Oversight Office
The Information Security Oversight Office is a U.S. government office responsible for overseeing the security classification system and ensuring the proper safeguarding and declassification of national security information.
E. Defense Data Network
The Defense Data Network was a U.S. Department of Defense global computer network that succeeded ARPANET and supported secure military and government communications.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Infrastructure Security Division
Target entity description: The Infrastructure Security Division is a component of the U.S. Cybersecurity and Infrastructure Security Agency responsible for protecting and enhancing the resilience of the nation’s critical physical infrastructure.

A. Cybersecurity Division
The Cybersecurity Division is a key operational branch of the Cybersecurity and Infrastructure Security Agency responsible for protecting federal networks and critical infrastructure from cyber threats.
B. Cybersecurity and Infrastructure Security Agency
The Cybersecurity and Infrastructure Security Agency (CISA) is a U.S. federal agency responsible for enhancing the security, resilience, and reliability of the nation’s cybersecurity and critical infrastructure.
C. IRT Division
The IRT Division is one of the original operating divisions of the New York City Subway, historically derived from the Interborough Rapid Transit Company and encompassing the system’s numbered subway lines.
D. Information Security Oversight Office
The Information Security Oversight Office is a U.S. government office responsible for overseeing the security classification system and ensuring the proper safeguarding and declassification of national security information.
E. Defense Data Network
The Defense Data Network was a U.S. Department of Defense global computer network that succeeded ARPANET and supported secure military and government communications.
F. None of above. chosen

Statements (30)

Predicate	Object
instanceOf	component of the Cybersecurity and Infrastructure Security Agency ⓘ government agency division ⓘ
collaboratesWith	critical infrastructure owners and operators ⓘ federal agencies with infrastructure responsibilities ⓘ private sector partners ⓘ state and local government partners ⓘ
country	United States ⓘ linked to: United States of America
focusArea	information sharing on threats to physical infrastructure ⓘ infrastructure resilience programs ⓘ protective security planning ⓘ risk assessment for critical infrastructure ⓘ support to incident response for infrastructure impacts ⓘ
hasLanguage	English ⓘ
jurisdiction	federal government of the United States ⓘ linked to: United States government
locatedIn	United States ⓘ linked to: United States of America
mission	enhance the resilience of U.S. critical infrastructure ⓘ protect the nation’s critical physical infrastructure ⓘ reduce risks to physical infrastructure from all hazards ⓘ
parentOrganization	Cybersecurity and Infrastructure Security Agency ⓘ U.S. Department of Homeland Security ⓘ linked to: United States Department of Homeland Security
partOf	Cybersecurity and Infrastructure Security Agency ⓘ U.S. national critical infrastructure protection framework ⓘ
responsibility	coordination with public and private sector infrastructure owners and operators ⓘ critical infrastructure risk management ⓘ implementation of national infrastructure protection policies for physical assets ⓘ infrastructure security ⓘ support to state, local, tribal, and territorial governments on infrastructure protection ⓘ
sectorFocus	critical infrastructure ⓘ national infrastructure ⓘ physical infrastructure ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Cybersecurity and Infrastructure Security Agency → hasPart → Infrastructure Security Division ⓘ

Cybersecurity Division → oversees → Industrial Control Systems Cyber Emergency Response Team ⓘ

linked to: Infrastructure Security Division

Cybersecurity and Infrastructure Security Agency → hasPart → Infrastructure Security Division ⓘ

subject linked to: CISA

Department of Homeland Security cyber components → includes → CISA Infrastructure Security Division ⓘ