CMMC CCP key terms
CMMC CCP · Get comfortable with the vocabulary.
- The Cyber AB
- Related: CMMC Third-Party Assessment Organization (C3PAO), CMMC Certified Assessor (CCA), Registered Practitioner (RP)
The non-profit accreditation body recognized by the Department of Defense that authorizes C3PAOs, certifies individual assessors and professionals, and oversees the integrity and quality of the CMMC ecosystem.
- CMMC Third-Party Assessment Organization (C3PAO)
- Related: The Cyber AB, CMMC Certified Assessor (CCA), Organization Seeking Certification (OSC)
An assessment firm authorized by the Cyber AB to conduct CMMC Level 2 certification assessments of organizations seeking certification, and to submit the resulting results to the Department of Defense.
- CMMC Certified Assessor (CCA)
- Related: CMMC Third-Party Assessment Organization (C3PAO), Code of Professional Conduct, Conflict of Interest
An individual credentialed by the Cyber AB to lead or participate in CMMC assessments as part of a C3PAO team, having met training, examination, experience, and continuing-education requirements.
- Organization Seeking Certification (OSC)
- Related: Assessment Scope, CMMC Third-Party Assessment Organization (C3PAO), Annual Affirmation
A contractor or subcontractor pursuing a CMMC certification that is the subject of an assessment; it defines the scope, implements practices, and supplies evidence to the assessment team.
- Registered Practitioner (RP)
- Related: The Cyber AB, CMMC Certified Assessor (CCA)
An individual listed in the Cyber AB registry who has completed foundational CMMC training but is not a certified assessor; may help organizations prepare for an assessment.
- Defense Industrial Base Cybersecurity Assessment Center (DIBCAC)
- Related: CMMC Level 3, Joint Surveillance Voluntary Assessment (JSVA)
The Department of Defense component that performs government-led cybersecurity assessments of contractors, including Level 3 assessments and participation in voluntary joint assessments with a C3PAO.
- DFARS 252.204-7021
- Related: Annual Affirmation, CMMC Level 2, Organization Seeking Certification (OSC)
The contract clause requiring DoD contractors to achieve and maintain the CMMC level stated in the contract, to affirm continued compliance annually, and to flow the requirement to applicable subcontractors.
- CMMC Level 1
- Related: Federal Contract Information (FCI), Annual Affirmation, CMMC Level 2
The foundational level, aimed at protecting Federal Contract Information, built from 17 practices derived from FAR 52.204-21 and verified through an annual self-assessment with senior official affirmation.
- CMMC Level 2
- Related: CMMC Level 1, CMMC Level 3, Controlled Unclassified Information (CUI)
The level protecting Controlled Unclassified Information by requiring all 110 security requirements of NIST SP 800-171, verified by self-assessment or, when a contract requires it, by a C3PAO certification assessment.
- CMMC Level 3
- Related: CMMC Level 2, NIST SP 800-172, Defense Industrial Base Cybersecurity Assessment Center (DIBCAC)
The highest CMMC level, adding selected enhanced requirements from NIST SP 800-172 on top of all Level 2 practices to defend CUI against advanced persistent threats; assessed by DIBCAC.
- NIST SP 800-172
- Related: CMMC Level 3, Controlled Unclassified Information (CUI)
A NIST publication of enhanced security requirements for protecting Controlled Unclassified Information in critical programs, supplying the additional practices that distinguish CMMC Level 3 from Level 2.
- Assessment Objective
- Related: Objective Evidence, Assessment Finding, CMMC Assessment Process (CAP)
A specific, testable statement describing what must be true for a practice to be judged met; assessors verify each objective by examining, interviewing, and testing the organization's evidence.
- Plan of Action and Milestones (POA&M)
- Related: Conditional Certification, Delta Assessment, Assessment Finding
A document listing requirements not yet satisfied, the remediation actions planned, responsible parties, and target dates; its use during certification is limited and closure deadlines apply.
- Conditional Certification
- Related: Plan of Action and Milestones (POA&M), Delta Assessment, CMMC Level 2
A Level 2 status granted when a limited number of requirements remain unmet but are covered by an approved plan of action; it becomes full certification once those items are closed within the allowed period.
- Annual Affirmation
- Related: Supplier Performance Risk System (SPRS) Score, CMMC Level 1, DFARS 252.204-7021
A yearly statement by a senior official confirming the organization still meets the requirements of its CMMC level and that its submitted assessment score remains accurate and current.
- Supplier Performance Risk System (SPRS) Score
- Related: Annual Affirmation, CMMC Level 2
A numeric score computed from a contractor's NIST SP 800-171 assessment results using DoD's scoring methodology, submitted by the contractor and used by DoD in source selection decisions.
- Controlled Unclassified Information (CUI)
- Related: Federal Contract Information (FCI), CUI Asset, CUI Enclave
Unclassified information that law, regulation, or government-wide policy requires to be protected or controlled, and that must be marked, handled, and safeguarded according to federal requirements.
- Federal Contract Information (FCI)
- Related: Controlled Unclassified Information (CUI), CMMC Level 1
Information not intended for public release that is provided by or generated for the government under a contract to develop or deliver a product or service, excluding information supplied by the government to the public.
- Asset
- Related: CUI Asset, Security Protection Asset, Assessment Scope
Any component of an organization's environment that can store, process, or transmit data, or that supports such operations; assets are categorized to decide whether they belong inside the assessment scope.
- CUI Asset
- Related: Controlled Unclassified Information (CUI), Asset, Security Protection Asset
An asset that stores, processes, or transmits Controlled Unclassified Information, or that can access it; such assets are always in scope and must satisfy the applicable set of CMMC practices.
- Security Protection Asset
- Related: Asset, CUI Asset, Assessment Scope
An asset that does not itself handle CUI but enforces or delivers a security capability protecting in-scope assets, such as a firewall, logging platform, or authentication server; it is included in scope.
- Contractor Risk Managed Asset
- Related: Asset, CUI Enclave, Assessment Scope
An asset that could introduce risk to in-scope assets if compromised but does not itself handle CUI, and that may be excluded from assessment scope when documented risk mitigation exists.
- CUI Enclave
- Related: Controlled Unclassified Information (CUI), Assessment Scope, Contractor Risk Managed Asset
A defined, logically or physically separated portion of an environment where CUI is handled and protected, allowing systems outside the enclave to remain outside the assessment scope.
- External Service Provider (ESP)
- Related: Assessment Scope, Controlled Unclassified Information (CUI), System Security Plan (SSP)
An outside entity that provides services to an organization and may store, process, or transmit its CUI, such as a cloud provider; the relationship and its protections must be documented in scoping.
- Assessment Scope
- Related: Asset, CUI Asset, System Security Plan (SSP)
The documented set of assets, people, facilities, and processes that the assessment team will examine because they handle CUI or provide security protection for assets that do.
- System Security Plan (SSP)
- Related: Assessment Scope, CUI Enclave, External Service Provider (ESP)
A document describing the system boundary, architecture, and how each security requirement is implemented for the CUI environment; assessors rely on it to understand scope and plan testing.
- CMMC Assessment Process (CAP)
- Related: Pre-assessment, Objective Evidence, Assessment Report
The Cyber AB's published methodology describing how assessment organizations plan, conduct, and report CMMC assessments, including team roles, phases, evidence requirements, and required documentation.
- Pre-assessment
- Related: CMMC Assessment Process (CAP), System Security Plan (SSP), Objective Evidence
The opening phase of a CMMC assessment in which the assessment team reviews the organization's scope, system security plan, and supporting documentation to plan testing and flag potential issues.
- Objective Evidence
- Related: Assessment Objective, Assessment Finding, Assessment Report
Verifiable information such as documents, records, configurations, logs, or observed conditions that shows whether an assessment objective is satisfied; it must be recorded and retained by the team.
- Assessment Finding
- Related: Assessment Objective, Objective Evidence, Plan of Action and Milestones (POA&M)
A documented determination by the assessment team about whether a given practice or objective is met or not met, supported by recorded evidence and carried into the assessment report.
- Delta Assessment
- Related: Conditional Certification, Plan of Action and Milestones (POA&M), Assessment Finding
A follow-up assessment performed to confirm that requirements previously found unmet have been remediated, commonly used when a conditional certification is later upgraded to full certification.
- Joint Surveillance Voluntary Assessment (JSVA)
- Related: Defense Industrial Base Cybersecurity Assessment Center (DIBCAC), CMMC Level 2, CMMC Assessment Process (CAP)
A voluntary assessment in which DIBCAC and a C3PAO evaluate an organization at Level 2 together, giving contractors early exposure to assessment expectations before requirements appear in contracts.
- Conflict of Interest
- Related: Impartiality, Code of Professional Conduct, CMMC Certified Assessor (CCA)
A situation where an assessor, team member, or their firm holds a personal, financial, or business interest that could bias assessment results; it must be disclosed and avoided or managed.
- Impartiality
- Related: Conflict of Interest, Code of Professional Conduct, Assessment Finding
The principle that assessment judgments rest solely on objective evidence rather than on commercial pressure, personal relationships, or financial gain, and that assessors remain free of bias throughout.
- Confidentiality
- Related: Code of Professional Conduct, Controlled Unclassified Information (CUI), Assessment Report
The duty not to disclose or misuse an organization's sensitive information, including CUI, security documentation, and assessment results, encountered during assessment work; formal agreements typically reinforce this obligation.
- Code of Professional Conduct
- Related: Impartiality, Conflict of Interest, Confidentiality
The Cyber AB's enforceable ethical standards for certified professionals and assessors, addressing integrity, objectivity, competence, confidentiality, and the avoidance or management of conflicts of interest.
- Assessment Report
- Related: Assessment Finding, Objective Evidence, CMMC Assessment Process (CAP)
The formal record produced by the assessment team describing scope, methods, evidence reviewed, findings, and results, which supports the certification decision and later quality reviews.