to move, Enter to open, Esc to close. Try 3.5.3, AC.L2-3.1.1, MFA or unmarked.

Information Systems Vulnerability Information - Homeland

A CUI category in the Provisional grouping of NARA's registry, CUI Basic, marked CUI.

NARA's description

CUI Registry · Information Systems Vulnerability Information - Homeland

a. DHS information technology internal systems data revealing infrastructure used for servers, desktops, and networks; application names, version, and release; switching, router, and gateway information; interconnections and access methods; mission or business use/need. Examples of information are systems inventories and enterprise architecture models. Information pertaining to national security systems and eligible for classification under Executive Order 13526 will be classified as appropriate.

b. Information regarding developing or current technology, the release of which could hinder the objectives of DHS, compromise a technological advantage or countermeasure, cause a denial of service, or provide an adversary with sufficient information to close, counterfeit, or circumvent a process or system.

Safeguarding and/or Dissemination Authority

Basic or

Specified

Banner Marking

Sanctions

Provisional Approval 2018-09-07

Basic

CUI

Verbatim from the registry entry, which NARA last reviewed on May 8, 2025. Fetched 2026-09-08.

Markings

Banner marking
CUI

A banner reads CUI for Basic categories and CUI//SP-XXXX for Specified ones, followed by any limited dissemination control such as NOFORN. How the marking rule works, verbatim from 32 CFR 2002.20.

Authorities

The law, regulation or Government-wide policy that makes this information CUI, and whether it does so as a Basic or a Specified authority.

Safeguarding or dissemination authorityBasic or SpecifiedBannerSanctions
Provisional Approval 2018-09-07BasicCUI

Source: https://www.archives.gov/cui/registry/category-detail/information-systems-vulnerability-info-homeland.