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6 USC § 677a - Definitions

---
identifier: "/us/usc/t6/s677a"
source: "usc"
legal_status: "official_prima_facie"
title: "6 USC § 677a - Definitions"
title_number: 6
title_name: "DOMESTIC SECURITY"
section_number: "677a"
section_name: "Definitions"
chapter_number: 1
chapter_name: "HOMELAND SECURITY ORGANIZATION"
subchapter_number: "XVIII"
subchapter_name: "CYBERSECURITY AND INFRASTRUCTURE SECURITY AGENCY"
part_number: "C"
part_name: "Declaration of a Significant Incident"
positive_law: false
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(Pub. L. 107–296, title XXII, § 2232, as added Pub. L. 117–58, div. G, title VI, § 70602(a), Nov. 15, 2021, 135 Stat. 1267.)"
---

# § 677a. Definitions

For the purposes of this part:

**(1)** **Asset response activity** The term “asset response activity” means an activity to support an entity impacted by an incident with the response to, remediation of, or recovery from, the incident, including—

**(A)** furnishing technical and advisory assistance to the entity to protect the assets of the entity, mitigate vulnerabilities, and reduce the related impacts;

**(B)** assessing potential risks to the critical infrastructure sector or geographic region impacted by the incident, including potential cascading effects of the incident on other critical infrastructure sectors or geographic regions;

**(C)** developing courses of action to mitigate the risks assessed under subparagraph (B);

**(D)** facilitating information sharing and operational coordination with entities performing threat response activities; and

**(E)** providing guidance on how best to use Federal resources and capabilities in a timely, effective manner to speed recovery from the incident.

**(2)** **Declaration** section 677b(a)(1) of this title

The term “declaration” means a declaration of the Secretary under .

**(3)** **Director** The term “Director” means the Director of the Cybersecurity and Infrastructure Security Agency.

**(4)** **Federal agency** section 3502 of title 44

The term “Federal agency” has the meaning given the term “agency” in .

**(5)** **Fund** section 677c(a) of this title

The term “Fund” means the Cyber Response and Recovery Fund established under .

**(6)** **Incident** section 3552 of title 44

The term “incident” has the meaning given the term in .

**(7)** **Renewal** section 677b(d) of this title

The term “renewal” means a renewal of a declaration under .

**(8)** **Significant incident** The term “significant incident”—

**(A)** means an incident or a group of related incidents that results, or is likely to result, in demonstrable harm to—

**(i)** the national security interests, foreign relations, or economy of the United States; or

**(ii)** the public confidence, civil liberties, or public health and safety of the people of the United States; and

**(B)** does not include an incident or a portion of a group of related incidents that occurs on—

**(i)** a national security system (as defined in section 3552 of title 44); or

**(ii)** an information system described in paragraph (2) or (3) of section 3553(e) of title 44.

---

**Source Credit**: (Pub. L. 107–296, title XXII, § 2232, as added Pub. L. 117–58, div. G, title VI, § 70602(a), Nov. 15, 2021, 135 Stat. 1267.)