Who Do DoD Contractors Report CUI Breaches To?

PerDFARS 252.204-7012, all DoD contractors handlingControlled Unclassified Information (CUI)must report cyber incidents to theDoD Cyber Crime Center (DC3).

Key Reporting Requirements

✅Cyber incidents involving CUI must be reported toDC3 within 72 hours.

✅Reports must be submitted via theDoD's Cyber Incident Reporting Portal.

✅Contractors mustpreserve forensic evidencefor potential investigation.

Why "DoD Cyber Crime Center" is Correct?

The FBI (Option A) handles criminal investigations, but DoD contractorsmust report cyber incidents to DC3.

NARA (Option B) oversees the CUI Registry, butis not responsible for breach reporting.

The Under Secretary of Defense for Intelligence and Security (Option D) is responsible for intelligence operations, not incident reporting.

Breakdown of Answer Choices

Option

Description

Correct?

A. FBI

❌Incorrect–The FBI handlescriminal cases, not CUI breach reporting.

B. NARA

❌Incorrect–NARA manages theCUI Registry, butdoes not handle breaches.

C. DoD Cyber Crime Center

✅Correct – Per DFARS 252.204-7012, cyber incidents involving CUI must be reported to DC3.

D. Under Secretary of Defense for Intelligence and Security

❌Incorrect–This office doesnothandle cyber incident reports.

Official References from CMMC 2.0 and DFARS Documentation

DFARS 252.204-7012– Requires DoD contractors to report CUI-related cyber incidents toDC3.

DoD Cyber Crime Center (DC3) Website– The official platform forcyber incident reporting.

Final Verification and Conclusion

The correct answer isC. DoD Cyber Crime Center, as perDFARS 252.204-7012, which mandates that all DoD contractors reportCUI breaches to DC3 within 72 hours.

The CMMC Assessment Process uses three methods: Examine, Interview, and Test. The method that involves analyzing artifacts (documents, system configurations, records, logs, etc.) is Examine.

Supporting Extracts from Official Content:

CMMC Assessment Guide: “Examine consists of reviewing, inspecting, or analyzing assessment objects such as documents, system configurations, or other artifacts to evaluate compliance.”

Why Option B is Correct:

Examine = analyzing artifacts.

Interview = discussions with personnel.

Test = executing technical checks.

Behavior is not an assessment method.

References (Official CMMC v2.0 Content):

CMMC Assessment Guide, Levels 1 and 2 — Assessment Methods (Examine, Interview, Test).

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Understanding IA.L1-3.5.1 (Identification and Authentication Requirements)

TheCMMC 2.0 Level 1practiceIA.L1-3.5.1aligns withNIST SP 800-171, Requirement 3.5.1, which mandates that organizationsidentify system users, processes acting on behalf of users, and devicesto ensure proper access control.

To comply with this requirement, anOrganization Seeking Certification (OSC)must maintain documentation that demonstrates:

A unique identifier (username) for each system user

Mapping of system accounts to specific individuals

Identification of devices and automated processes that access systems

Why "C. User names associated with system accounts assigned to those individuals" is Correct?

This documentation directly satisfies IA.L1-3.5.1because it showshow system users are uniquely identified and linked to specific accountswithin the environment.

Alist of users and their assigned accountsconfirms that the organization has a structured method oftracking access and authentication.

It allows auditors to verify thateach user has a distinct identityand that access control mechanisms are properly applied.

Why Other Answers Are Incorrect?

A. Procedures for implementing access control lists (Incorrect)

While access control lists (ACLs) are relevant for authorization, they do notidentify users or devicesspecifically, making them insufficient as primary evidence for IA.L1-3.5.1.

B. List of unauthorized users that identifies their identities and roles (Incorrect)

Identifying unauthorized users does not fulfill the requirement of trackingauthorizedusers, devices, and processes.

D. Physical access policy stating "All non-employees must wear a special visitor pass or be escorted" (Incorrect)

This pertains tophysical security, not system-baseduser identification and authentication.

Conclusion

The correct answer isC. User names associated with system accounts assigned to those individuals, as thisdirectly satisfies the identification requirement of IA.L1-3.5.1.

The CMMC Code of Professional Conduct applies to all CMMC assessors, practitioners, and ecosystem participants. Its guiding principles are: Objectivity, Information Integrity, and Higher Accountability.

Supporting Extracts from Official Content:

CMMC Code of Professional Conduct: “Guiding principles… include Objectivity, Information Integrity, and Higher Accountability.”

Why Option A is Correct:

These three principles are the official guiding values documented in the Code of Professional Conduct.

Options B, C, and D insert terms (“proper use of methods”) that are not part of the official guiding principles.

References (Official CMMC v2.0 Content):

CMMC Code of Professional Conduct.

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The correct answer is B , 3 Levels. The official CMMC 2.0 Model Overview states that there are three levels within CMMC: Level 1, Level 2, and Level 3 . It explains that the model measures implementation of cybersecurity requirements at three levels, with each level containing a defined set of CMMC practices. Level 1 is focused on basic safeguarding of Federal Contract Information, Level 2 is focused on protection of Controlled Unclassified Information using requirements aligned to NIST SP 800-171, and Level 3 is intended for higher-risk programs requiring enhanced protection.

This is a major difference between CMMC 2.0 and the earlier CMMC 1.0 structure. CMMC 1.0 used five maturity levels, but CMMC 2.0 simplified the model to three cybersecurity levels. Therefore, option C , 5 Levels, reflects the older CMMC 1.0 structure and is not correct for CMMC 2.0. Option A , 2 Levels, is incorrect because it omits one of the three official levels. Option D , 4 Levels, is also incorrect because the official CMMC 2.0 model does not contain four levels. The bottom line is that CMMC 2.0 contains three cybersecurity levels: Level 1 Foundational, Level 2 Advanced, and Level 3 Expert .

In Phase 3 (Post-Assessment), the assessor’s responsibility is to archive or dispose of assessment artifacts according to the C3PAO’s policies and retention requirements. By this point, final findings and results have already been delivered, so the only remaining step is ensuring proper handling of assessment materials.

Supporting Extracts from Official Content:

CAP v2.0, Post-Assessment Activities (§3.17): “The assessor must archive or dispose of any assessment artifacts in accordance with the C3PAO’s retention and destruction policy.”

Why Option D is Correct:

Determining practice pass/fail results and level recommendations occurs earlier in Phases 2 and 3.

The final step left for the assessor is the proper archiving or destruction of artifacts.

References (Official CMMC v2.0 Content):

CMMC Assessment Process (CAP) v2.0, Phase 3: Post-Assessment (§3.17).

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Understanding Licensed Training Providers (LTPs) in CMMC

ALicensed Training Provider (LTP)is an entity that is authorized by theCybersecurity Maturity Model Certification Accreditation Body (CMMC-AB)todeliver CMMC trainingbased on anapproved curriculum.

Key Responsibilities of an LTP:

Provides CMMC-AB-approved training programsfor individuals seeking CMMC certifications.

Uses an official CMMC curriculumthat aligns with theCMMC Body of Knowledge (BoK)and other CMMC-AB guidance.

Prepares students for CMMC roles, such asCertified CMMC Assessors (CCA) and Certified CMMC Professionals (CCP).

Why is the Correct Answer "Instructs a curriculum approved by CMMC-AB" (B)?

A. Creates DoD-licensed training → Incorrect

TheCMMC-AB, not the DoD, manages LTP licensing. LTPsdo not create new training contentbut mustfollow an approved curriculum.

B. Instructs a curriculum approved by CMMC-AB → Correct

LTPsteacha curriculum that has beenapproved by the CMMC-AB, ensuring consistency in CMMC training.

C. May market itself as a CMMC-AB Licensed Provider for testing → Incorrect

LTPs provide training, not testing. Testing is handled byLicensed Partner Publishers (LPPs)and exam bodies.

D. Delivers training using some CMMC body of knowledge objectives → Incorrect

LTPs mustfully adhereto theCMMC-AB-approved curriculum, not just "some" objectives.

CMMC 2.0 References Supporting This Answer:

CMMC-AB Licensed Training Provider (LTP) Program Guidelines

Defines LTPs as entities thatdeliver CMMC-AB-approved training programs.

CMMC Body of Knowledge (BoK)

Specifies that training must follow theCMMC-AB-approved curriculumto ensure standardization.

CMMC-AB Training & Certification Framework

Requires LTPs todeliver structured training that meets CMMC-AB guidelines.

Final Answer:

✔B. Instructs a curriculum approved by CMMC-AB

The Cyber AB (formerly CMMC-AB) Code of Professional Conduct (CoPC) is a mandatory agreement that all CMMC ecosystem members—including Certified CMMC Professionals (CCPs) and Certified CMMC Assessors (CCAs)—must adhere to. This code ensures the reliability and trustworthiness of the assessment process.

The fundamental principles that form the foundation of the CoPC include:

Responsibility: This refers to the obligation of the CMMC professional to act in the best interest of the CMMC program, the Department of Defense (DoD), and the public. It includes maintaining professional competence and performing duties with due care.

Confidentiality: Assessors and professionals are granted access to sensitive information, including Controlled Unclassified Information (CUI) and proprietary business data of the Organization Seeking Certification (OSC). They must ensure this information is protected from unauthorized disclosure.

Information Integrity: This principle requires that all data, findings, and reports generated during the assessment are accurate, complete, and have not been tampered with. It ensures that the "Met" or "Not Met" determinations are based on honest evidence.

Why other options are incorrect:

Options A and B (Objectivity): While "Objectivity" is a crucialbehavioralrequirement for an assessor (remaining unbiased), the specific high-level triad often emphasized in the CMMC Professional training and the formal CoPC documentation focuses on the Responsibility-Confidentiality-Integrity framework to align with standard professional ethics and information security pillars.

Options A and C (Classification): "Classification" is a process used for National Security Information (Classified info), whereas CMMC is primarily focused on unclassified information (CUI and FCI). Classification is not a core principle of the professional code of conduct.

Options A and C (Information Accuracy): While accuracy is vital, it is considered a subset of Information Integrity within the formal definitions provided in the CCP curriculum.

Reference Documents:

CMMC-AB (The Cyber AB) Code of Professional Conduct: The official ethical framework for all credentialed individuals.

CMMC Professional (CCP) Study Guide: Section on "Ethics and the Code of Professional Conduct."

CMMC Assessment Process (CAP): References the ethical standards required to maintain the integrity of the assessment ecosystem.

CMMC v2.0 scoping defines “in-scope” assets for Level 1 (FCI protection) based on whether the asset processes, stores, or transmits FCI . The DoD CMMC Assessment Scope – Level 1 (v2.13) states: “Assets in scope … are all assets that **process, store, or transmit Federal Contract Information (FCI).” It then defines these terms. Critically for this question, Store is defined as when “FCI is inactive or at rest on an asset (e.g., located on electronic media…).”

A flash drive is “electronic media.” If the program manager places contract-relevant FCI onto the flash drive, the flash drive is now an asset that stores FCI (FCI at rest). Under the scoping guidance, that alone is enough to classify it as an in-scope FCI asset for Level 1 purposes, meaning it falls within the Level 1 assessment scope and must be protected by applicable Level 1 requirements.

The other answer choices do not align to the scoping definitions. “Testing FCI” (B) is not one of the scope-determining criteria in the Level 1 scoping guide. “Distributing FCI” (C) is not the formal criterion either (the guide uses Transmit , not “distribute”). Finally, being “properly marked” (D) does not determine whether something is in scope; the decisive factor is whether the asset processes, stores, or transmits FCI.

The CMMC Assessment Process (CAP) requires that sufficient evidence must:

Cover the sampled organization,

Cover the defined model scope of the assessment (Target CMMC Level), and

Correspond to the evidence collection approach.

Evidence is always required, even if the organization holds other certifications such as ISO. External certifications cannot replace CMMC evidence requirements. Thus, the statement that “Evidence is not required if the practice is ISO certified” is not valid.

Reference Documents:

CMMC Assessment Process (CAP), v1.0