Who Is Responsible for Applying Cui Markings and Dissemination Instructions



Controlled Unclassified Information (CUI) is sensitive but unclassified information that requires protection in the United States. The safeguarding, handling, and dissemination of CUI is crucial to national security, and its management is a complex process. One critical aspect of CUI management is the application of CUI markings and dissemination instructions. In this article, we’ll explore who is responsible for these important tasks and why it matters.

Defining CUI Markings and Dissemination Instructions

Before diving into the responsibilities, let’s clarify what CUI markings and dissemination instructions entail:

CUI Markings: These markings are used to indicate that a document or information contains Controlled Unclassified Information. They typically include labels such as “CUI,” a category, and other specific markings to highlight the sensitivity of the information.

Dissemination Instructions: These instructions specify how CUI should be handled, shared, and protected. They outline who can access the information, under what conditions, and any restrictions on its use and sharing.

Responsibility of Originators

The responsibility for applying CUI markings and dissemination instructions typically falls on the individuals or organizations that create or originate the information. This includes government agencies, private organizations, or individuals who handle CUI. Originators play a crucial role in ensuring that sensitive information is appropriately marked and that the dissemination instructions are clear and followed.

Here are some key points regarding the responsibility of originators:

Identification: Originators must be diligent in recognizing information that qualifies as CUI. Proper identification is the first step in ensuring that the information is marked and protected appropriately.

Marking: Once information is identified as CUI, the originator is responsible for applying the correct CUI markings. This helps convey the information’s sensitivity and ensures that others handling the data are aware of its classification.

Dissemination Instructions: Originators must determine the appropriate dissemination instructions for CUI. These instructions specify who can access the information and under what conditions, and any specific handling requirements.

Protection: Originators must also take steps to protect CUI in accordance with the established dissemination instructions. This includes safeguarding the information from unauthorized access and ensuring it is shared only with authorized individuals or organizations.

Responsibility of Security Professionals

Security professionals, often within an organization or government agency, play a vital role in overseeing and enforcing the correct application of CUI markings and dissemination instructions. Their responsibilities include:

Training and Guidance: Security professionals are responsible for training staff and providing guidance on the proper handling of CUI, including how to apply markings and follow dissemination instructions.

Oversight and Compliance: They oversee and enforce compliance with CUI policies and procedures. This includes conducting periodic audits to ensure that CUI is appropriately marked and protected.

Reporting and Escalation: Security professionals also play a role in reporting security incidents or breaches involving CUI and escalating issues to the appropriate authorities.

Updates and Changes: In cases where CUI policies or regulations change, security professionals are responsible for updating guidelines and disseminating this information to staff.

Interagency Responsibilities

In cases where CUI is shared between different government agencies or entities, there is a shared responsibility for applying CUI markings and dissemination instructions. Interagency coordination is essential to ensure that sensitive information is consistently handled and protected.

Agreements: Government agencies and organizations often establish formal agreements or memoranda of understanding to clarify their roles and responsibilities in handling and sharing CUI.

Consistency: Interagency coordination aims to ensure that CUI markings and dissemination instructions are consistent across different entities, reducing the risk of mishandling or confusion.


The proper application of CUI markings and dissemination instructions is a critical aspect of protecting Controlled Unclassified Information. Originators, security professionals, and interagency cooperation all play essential roles in ensuring that CUI is appropriately marked and handled according to established guidelines. Effective management of CUI helps safeguard sensitive information and contributes to national security and the protection of sensitive data across various sectors. It is imperative that those involved in the CUI process understand their responsibilities and follow best practices to maintain the integrity and security of this vital information.

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