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3.8 MEDIA PROTECTION

3.8.4 Mark media with necessary CUI markings and distribution limitations | NIST 800-171 control 3.8.4 mandates marking media containing Controlled Unclassified Information (CUI) with proper labels and distribution restrictions. This enhances information security by clearly identifying sensitive data, preventing unauthorized access, and ensuring proper handling. Organizations implementing this control are accountable for adhering to government-approved marking guidelines. Implementing this control involves establishing procedures for marking different media types (physical and digital) and training personnel on proper labeling and handling practices.

3.8 MEDIA PROTECTION
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3.8 MEDIA PROTECTION
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3.8.4 Mark media with necessary CUI markings and distribution limitations

By wnoble2005@gmail.com (William Noble) 📅 2024-03-02
NIST 800-171 control 3.8.4 mandates marking media containing Controlled Unclassified Information (CUI) with proper labels and distribution restrictions. This enhances information security by clearly identifying sensitive data, preventing unauthorized access, and ensuring proper handling. Organizations implementing this control are accountable for adhering to government-approved marking guidelines. Implementing this control involves establishing procedures for marking different media types (physical and digital) and training personnel on proper labeling and handling practices.



The term security marking refers to the application or use of human-readable security attributes. System media includes digital and non-digital media. Marking of system media reflects applicable federal laws, Executive Orders, directives, policies, and regulations. See [NARA MARK].

Benefits:

Reduced Risk of Exposure: Clear markings on media containing Controlled Unclassified Information (CUI) raise awareness and prevent unauthorized access or accidental disclosure.

Improved Accountability: Markings hold individuals accountable for handling and safeguarding CUI, promoting responsible information handling practices.

Enhanced Compliance: Following established guidelines for CUI marking demonstrates adherence to regulations and best practices, facilitating compliance audits.

Accountability:

Senior Management: Sets the Tone: They establish the organization's overall cybersecurity posture and prioritize CUI protection. This includes creating and enforcing clear policies and procedures for marking CUI, ensuring sufficient resources are allocated for implementing these measures, and promoting a culture of cybersecurity awareness among employees.

IT Security Team: Develops the Mechanisms: They design, implement, and manage the technical infrastructure and processes for marking CUI. This might involve configuring systems to automatically apply CUI markings or creating user-friendly tools for manual marking. The security team also stays updated on the latest CUI marking requirements and ensures their implementation aligns with these guidelines.



System Owners: Accountability for their Systems: They are responsible for ensuring the systems under their purview meet the CUI marking requirements. This involves working with the IT security team to understand the technical implementation details and collaborating with users to address any challenges or concerns regarding CUI marking within their specific systems.

Individual Users: Marking CUI Correctly: They are responsible for accurately marking CUI according to the established policies and procedures. This involves understanding the different CUI markings and their appropriate usage, applying the correct markings to CUI they create or handle, and seeking guidance if they have any uncertainties.

Implementation:

Identify Applicable Markings: Understand the specific CUI markings required by the National Archives and Records Administration (NARA) based on the CUI classification and dissemination restrictions.

Develop Marking Procedures: Establish clear procedures for applying CUI markings to both physical and digital media, ensuring consistency and accuracy.

Train Personnel: Educate employees on the significance of CUI markings, how to identify them, and their responsibilities for handling CUI media.

Implement Marking Tools: Utilize approved software or labeling methods to apply CUI markings effectively and consistently across various media formats.

Monitor and Audit: Regularly assess adherence to marking procedures and conduct audits to identify and address any potential inconsistencies or non-compliance issues.



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About "3.8.4 Mark media with nec...tions" 🡃
Category:Cybersecurity Maturity Model
Family:Media Protection (AC 3.8)
Type:Derived Security Requirements
#CybersecurityMaturityModel #DerivedSecurityRequirements

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