NIST 800-171 R3 · DFARS 252.204-7012 · CMMC 2.0 · SPRS · DoD

CMMC Compliance ReadinessLevel 1 · Level 2 · NIST 800-171 R3 · SPRS · POA&M · C3PAO Prep

Defense-contractor readiness for CMMC 2.0, mapped to NIST SP 800-171 Rev 3 and reinforced by NIST SP 800-172. On-Site Technology runs Level 1 self-assessment readiness, Level 2 third-party (C3PAO) preparation, SPRS score guidance, System Security Plan authorship, and Plan of Action and Milestones tracking under DFARS 252.204-7012, 7019, 7020, and 7021. Delivered 100% remotely to defense contractors across the United States.

110 NIST 800-171 R3 controlsPhase 1 to Phase 4 coveredRemote nationwideFixed-price L1 and L2 readiness
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    CMMC Compliance Readiness is the program of mapping a defense contractor’s technical controls, written policies, and audit evidence to the Department of Defense’s Cybersecurity Maturity Model Certification 2.0, then proving that alignment to a contracting officer or a third-party assessor. The work is built on NIST SP 800-171 Rev 3 and reinforced by NIST SP 800-172, tracked under 32 CFR Part 170 and DFARS 252.204-7012, 7019, 7020, and 7021. On-Site Technology delivers Level 1 self-assessment readiness, Level 2 C3PAO preparation, SPRS score support, SSP authorship, and POA&M tracking. Try our free CMMC Readiness Checker to self-assess in 10 minutes. Delivered 100% remotely to defense contractors across the United States.

    110NIST 800-171 R3 controls mapped
    4DoD rollout phases covered
    100%Remote delivery nationwide
    3Fixed-price engagement tiers

    CMMC 2.0 Levels at a Glance

    The level you need is set by the data type referenced in your contract. Federal Contract Information (FCI) drives Level 1. Controlled Unclassified Information (CUI) drives Level 2. The most sensitive CUI moves to Level 3 with NIST SP 800-172 enhanced controls.

    🔹
    FCI · Self-Assessment

    CMMC Level 1

    Federal Contract Information only. Annual self-assessment by a senior official, with the resulting score posted to SPRS. Required for most basic supplier contracts.

    15 practices · FAR 52.204-21 baseline · Annual self-attestation
    ★ Most Common
    CUI · C3PAO Assessed

    CMMC Level 2

    Controlled Unclassified Information. Triennial third-party assessment by a Certified Third-Party Assessor Organization for most contracts. The default level for prime and sub work touching CUI.

    110 NIST 800-171 R3 requirements · SSP + POA&M + Evidence Vault · Triennial C3PAO
    🛡
    Critical CUI · DIBCAC Assessed

    CMMC Level 3

    The most sensitive CUI tied to advanced persistent threat (APT) protection. Government-led assessments by the Defense Industrial Base Cybersecurity Assessment Center (DIBCAC).

    110 + NIST 800-172 enhancements · DIBCAC assessment · Limited contract scope
    DoD Rollout Timeline

    The CMMC Phased Rollout: 2025 to 2028

    DoD enforcement under 32 CFR Part 170 began Phase 1 on November 10, 2025 and progresses annually through Phase 4 in 2028. Use these milestones to plan your Level 1 or Level 2 readiness against your contract pipeline.

    Phase 1 active · Phase 2 begins in ~6 months
    ★ Active

    Phase 1
    Kickoff & Award Eligibility
    Started Nov 10, 2025
    • New solicitations begin referencing CMMC
    • Level 1 self-assessment where applicable
    • Early Level 2 prep and SPRS readiness
    • Evidence Vault and SSP baseline
    Action: Establish Level 1 controls and publish a current SPRS score where required at award.
    Future

    Phase 3
    Assessment Readiness
    Starts Nov 10, 2027
    • Level 2 programs move to C3PAO assessment
    • Pre-assessment rehearsal and artifact review
    • Executive briefings and risk tracking
    • Option-year checks for active contracts
    Action: Finalize SSP and evidence, rehearse against a C3PAO-style checklist.
    Future

    Phase 4
    Steady State
    Starts Nov 10, 2028
    • All in-scope contracts follow ongoing terms
    • L1 annual self-assessment with SPRS update
    • L2 triennial certification with surveillance
    • Continuous posture reviews and evidence upkeep
    Action: Maintain evidence, refresh controls, and pass option-year checks.

    Why CMMC Readiness Matters Now

    CMMC is no longer a future obligation. Phase 1 is live, contracting officers are reviewing SPRS scores at award, and the False Claims Act has surfaced multiple seven- and eight-figure DoJ Civil Cyber-Fraud settlements involving DFARS attestations. The cost of doing nothing is now measurable.

    🎯

    Bid Eligibility & Renewal

    Contracting officers verify your CMMC level and SPRS score at award and at option-year exercise. A missing or stale score is now a procurement disqualifier on Phase 1 solicitations, not a future risk. Readiness is what keeps you in the running.

    📊

    SPRS Score Visibility

    SPRS turns your NIST SP 800-171 self-assessment into a number contracting officers can compare. A low or absent score signals risk before a single bid response is read. We guide the methodology, the documentation, and the publish step.

    🔒

    CUI Handling Under DFARS

    If your contracts reference Controlled Unclassified Information, DFARS 252.204-7012 already requires NIST 800-171 implementation, FedRAMP-equivalent cloud handling, and 72-hour incident reporting. CMMC Level 2 just adds the third-party audit on top.

    🔗

    Subcontractor Flow-Down

    Primes are responsible for verifying that every sub touching FCI or CUI meets the required CMMC level. If your prime is preparing for Level 2, expect their flow-down clauses and timeline to apply to you, regardless of contract size.

    False Claims Act Exposure

    The DoJ Civil Cyber-Fraud Initiative has already produced multiple seven- and eight-figure settlements involving misrepresented DFARS or NIST 800-171 attestations. A SPRS score you cannot back with evidence is a liability, not a placeholder.

    🔄

    Option-Year Checks

    Active contracts running through 2026, 2027, and 2028 will face renewal-cycle CMMC checks under Phases 2, 3, and 4. The contractors who survive each phase are the ones who maintain evidence between assessments, not the ones who scramble at renewal.

    The OST CMMC Readiness Methodology

    A five-step engagement that takes a defense contractor from current state to award-eligible. Each step produces a defined artifact you can hand to a contracting officer or a C3PAO.

    1

    Discovery & Scoping

    Determine the correct level, locate FCI and CUI in your environment, and pull current posture for identity, MFA, logging, backup, and incident response. Scope rules out anything that doesn’t need to be in your assessment boundary.

    Output: Scope Memo
    2

    Gap Analysis & POA&M

    Assess against all 110 NIST SP 800-171 Rev 3 requirements (or the 15 Level 1 practices). Map every gap to an owner, a remediation step, and a deadline. The POA&M is the working document that proves credible progress.

    Output: Gap Report + POA&M
    3

    SSP & Evidence Vault

    Author or update your System Security Plan and centralize the proof an assessor will ask for: MFA enforcement, logging, encryption, backup, training records, vendor risk, policy acknowledgements, and access reviews.

    Output: SSP + Evidence Vault
    4

    SPRS Submission & Award

    Calculate the score against 110 controls, draft the supporting documentation, and walk you through publishing in SPRS so contracting officers see a credible posture before award. Includes self-assessment for L1 and early L2 where allowed.

    Output: Published SPRS Score
    5

    Continuous Compliance

    As phases progress, we keep evidence current, run quarterly executive reviews, manage subcontractor attestations, and rehearse for C3PAO assessment when Level 2 surveillance is required. Engagement designed to survive option years.

    Output: Quarterly Posture

    How CMMC Maps to NIST and Your Other Frameworks

    CMMC 2.0 is built on NIST publications and shares heavy overlap with NIST CSF 2.0, ISO 27001:2022, and SOC 2. Contractors already running another compliance program have less work than they think.

    📜
    Foundation Control Set

    NIST SP 800-171 Rev 3

    The 110 requirements across 14 control families that any contractor handling CUI must implement under DFARS 252.204-7012. CMMC Level 2 maps directly to 800-171 R3 and adds the third-party assessment requirement on top. If you have already built to 800-171 R2, the R3 refresh is a delta exercise, not a rebuild.

    🛡
    APT Reinforcement

    NIST SP 800-172

    The enhanced security requirements for protecting CUI from advanced persistent threat actors. Pulled into CMMC Level 3 and assessed by DIBCAC. Most contractors won’t reach Level 3, but the controls are useful as a maturity ceiling for Level 2 programs that handle sensitive CUI.

    📋
    DoD Contracting Clauses

    DFARS 252.204-7012 / 7019 / 7020 / 7021

    The four DFARS clauses that operationalize CMMC and 800-171: 7012 mandates 800-171 implementation and 72-hour incident reporting. 7019 requires a current SPRS score. 7020 lets DoD verify your assessment. 7021 imposes the CMMC certification requirement when invoked.

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    Commercial Framework Overlap

    NIST CSF 2.0 / ISO 27001:2022 / SOC 2

    If you already maintain a commercial compliance program, expect 60 to 80 percent of your existing controls to satisfy CMMC Level 2 with minor evidence-mapping work. Our cybersecurity compliance services page covers those programs and how they sequence with CMMC.

    CMMC Readiness Engagement Tiers

    Three engagement models scoped to the level you need and the cadence your contracts require. Pricing is fixed for L1 and L2 readiness; Continuous is a monthly retainer.

    FCI · Level 1

    CMMC Level 1 Readiness

    Fixed-Price Engagement

    Best for small contractors handling Federal Contract Information only and pursuing Level 1 self-assessment.

    • Readiness assessment and scoping
    • Mapping to the 15 required practices
    • Policy templates and guidance
    • Self-assessment walkthrough
    • SPRS score calculation support
    • Evidence checklist for award
    • 30 days of email support
    Timeline: About 2 weeks

    Scope My Engagement

    Phase 1 to Phase 4

    Continuous Compliance

    Monthly Retainer

    Stay eligible across the phased rollout and option-year checks. Designed to outlast any single assessment cycle.

    • Live posture dashboard
    • Evidence library maintenance
    • Quarterly executive reviews
    • Vendor and subcontractor attestations
    • Pre-assessment rehearsal for C3PAO
    • Option-year readiness checks
    • Direct access to your engagement lead
    Timeline: Ongoing engagement

    Scope My Engagement

    DIY vs Other Providers vs On-Site Technology

    Choosing how to run CMMC readiness is now a contract decision. Here is how a fully outsourced OST engagement compares to a DIY effort or a generalist provider.

    Feature
    DIY Implementation
    Other Providers
    On-Site Technology
    Time to a SPRS score
    2 to 6+ months
    Variable, often unclear
    2 to 4 weeks
    Award eligibility confidence
    Unknown until flagged at award
    Checklist only, not mapped to SPRS
    Readiness mapped to SPRS with go or no-go
    Evidence management
    Scattered screenshots and emails
    Ad-hoc folders and spreadsheets
    Centralized Evidence Vault
    POA&M and remediation
    Not formalized
    Generic task list, no owners
    Structured POA&M with owners and deadlines
    Level 2 assessment readiness
    Unprepared for C3PAO
    Partial, framework knowledge limited
    Pre-assessment rehearsal for C3PAO
    GCC High & CUI enclave guidance
    Trial-and-error vendor decisions
    Often referred out
    Data-flow mapped scoping advice
    False Claims Act risk posture
    SPRS attestation without supporting evidence
    Variable, depends on engagement model
    Every score backed by Evidence Vault artifacts
    Ongoing support through 2028
    None
    Limited, project-based
    Quarterly posture and option-year checks

    Frequently Asked Questions

    The questions defense contractors actually ask before scoping a CMMC readiness engagement.

    What is CMMC compliance readiness?

    CMMC compliance readiness is the program of mapping a defense contractor’s technical controls, written policies, and audit evidence to the Department of Defense’s Cybersecurity Maturity Model Certification 2.0, then proving that alignment to a contracting officer or a third-party assessor. The work is built on NIST SP 800-171 Rev 3 (with NIST SP 800-172 reinforcement at advanced levels) and tracks to DFARS 252.204-7012, 7019, 7020, and 7021. Readiness covers scoping, gap analysis, System Security Plan (SSP) authorship, Plan of Action and Milestones (POA&M) tracking, Evidence Vault buildout, SPRS score support, and rehearsal for a C3PAO assessment when required.

    What's the difference between CMMC Level 1 and CMMC Level 2?

    Level 1 covers Federal Contract Information (FCI) and requires 15 basic safeguarding practices with an annual self-assessment and a published SPRS score. Level 2 covers Controlled Unclassified Information (CUI), aligns to the 110 NIST SP 800-171 Rev 3 requirements, and moves to a triennial third-party assessment by a C3PAO for most contracts as the rollout progresses. Level 3 is reserved for the most sensitive CUI and adds NIST SP 800-172 enhanced controls assessed by DIBCAC. The level you need is set by the data type referenced in your contract, not by company size.

    Do I need CMMC if I'm a subcontractor and not a prime?

    Yes. Subcontractors are in scope under DFARS flow-down. The prime contractor is responsible for verifying that every sub handling FCI or CUI meets the required CMMC level, and the same SPRS scoring obligations flow down through the supply chain. If you support a prime that handles CUI, you should expect the same Level 2 expectations the prime carries, even if your contract is small. Plan readiness on the prime’s timeline, not the eventual end-of-rollout date.

    Can I use commercial Microsoft 365 for CMMC Level 2 or do I need GCC High?

    If you store, process, or transmit CUI in Microsoft 365, you almost certainly need Microsoft 365 GCC High or an equivalent FedRAMP Moderate / DoD Impact Level authorized environment. Commercial M365 does not meet the data sovereignty, FedRAMP authorization, and ITAR obligations that DFARS 252.204-7012 imposes when CUI is involved. We help defense contractors map data flows, scope what actually contains CUI, and decide between GCC High, Azure Government, or a CUI enclave architecture. Some contractors don’t need a full GCC High migration; they need a tightly scoped CUI enclave plus tenant restrictions on commercial M365.

    How long does CMMC Level 2 readiness take?

    Our fixed-price Level 2 Readiness engagement runs three to four weeks for the gap analysis, SSP draft, POA&M build, and Evidence Vault setup. Closing the gaps the readiness uncovers is a separate, longer phase that typically runs three to nine months depending on how mature your environment is when we start, how scoped your CUI footprint is, and how much GCC High or enclave work is involved. Contractors who haven’t yet enforced MFA, logging, backup, and least-privilege access should plan for the longer end of that range.

    How much does CMMC Level 2 readiness cost?

    Pricing depends on environment size, CUI scope, and current control maturity. Our Level 1 and Level 2 Readiness engagements are fixed-price, scoped during a free Readiness Review. Continuous Compliance is a monthly retainer that scales with environment size and review cadence. The remediation work that follows readiness is project-priced based on the gaps uncovered, never a blank check. Send us a message through the form on this page and we’ll come back with a scoped estimate, not a pile of disclaimers.

    What is SPRS and how do I publish my score?

    SPRS is the DoD’s Supplier Performance Risk System, the contracting officer’s source of truth for your NIST SP 800-171 self-assessment score. Every defense contractor handling CUI is expected to maintain a current SPRS score (-203 to +110) calculated against the 110 NIST 800-171 controls. Publishing requires DoD-issued PIEE credentials and the documented self-assessment results. We guide the scoring methodology, build the supporting documentation, and walk you through the SPRS submission so contracting officers see a credible posture before award.

    What's the difference between NIST 800-171 and CMMC 2.0?

    NIST SP 800-171 is the underlying control set: 110 requirements across 14 control families that any contractor handling CUI must meet under DFARS 252.204-7012. CMMC 2.0 is the certification program that proves you actually meet 800-171: it moves Level 2 contractors from self-attestation to third-party assessment by a C3PAO. You don’t pick one or the other. NIST 800-171 is the obligation; CMMC is the audit. Our cybersecurity compliance services page covers other framework-driven readiness programs (PCI DSS 4.0, SOC 2, ISO 27001, HIPAA); CMMC is its own dedicated program because the assessment regime, assessor body, and DoD-specific obligations don’t map cleanly to commercial frameworks.

    What is a C3PAO and what is a POA&M?

    A C3PAO is a Certified Third-Party Assessor Organization authorized by the Cyber AB (the CMMC accreditation body) to conduct CMMC Level 2 assessments. Most CMMC Level 2 contracts will require a C3PAO assessment every three years once the rollout matures. A POA&M (Plan of Action and Milestones) is the formal document that tracks open control gaps, owners, and remediation deadlines. CMMC permits a limited POA&M at award for specific lower-weight controls, but core controls cannot be on a POA&M to win the contract. They must be implemented before submission.

    What happens if I fail a C3PAO assessment?

    A failed assessment doesn’t end your eligibility immediately, but it blocks awards that require Level 2 certification until you remediate the failed controls and re-assess. If the failure is in a few discrete controls and the rest of the SSP is sound, the path back is typically faster than starting from zero. The bigger risk is misrepresenting readiness to a contracting officer: false attestations under DFARS have surfaced in multiple seven- and eight-figure DoJ Civil Cyber-Fraud Initiative settlements involving the False Claims Act. Pre-assessment rehearsal exists to surface gaps before a C3PAO does.

    Can OST run my CMMC program if another MSP runs my IT?

    Yes. We frequently sit alongside an incumbent IT provider and focus only on the CMMC program: scoping, gap assessment, SSP, POA&M, evidence library, vendor risk, and assessment support. We coordinate with the IT provider on technical control changes (MFA, logging, backup, least-privilege, GCC High decisions) but don’t require them to be unseated. If a control gap is severe enough that the existing IT setup can’t close it under DoD timelines, we’ll say so directly and lay out the options, including taking on the IT-side remediation through our managed cybersecurity or managed IT services.

    Do you deliver CMMC services outside New Jersey?

    Yes. CMMC readiness is delivered 100% remotely. Discovery, gap assessment, SSP authorship, POA&M tracking, Evidence Vault buildout, and assessment rehearsal all happen over Microsoft Teams, screen-shares, secure document portals, and direct configuration access to your tenant. On-Site Technology is headquartered in New Jersey, with deepest engineering capacity in Northern NJ, the NYC metro, Pennsylvania, and South Florida, but that’s a capacity note, not a service boundary. If your business operates in the United States and supports the Department of Defense, we can run your CMMC program.

    Request a Free CMMC Readiness Review

    Tell us your contract scope, current SPRS posture, and target level. We will come back with a scoped estimate, not a generic checklist. We typically reply within 4 business hours.

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      Ready to Stay Award Eligible?

      CMMC requirements show up at award in Phase 1 and tighten through 2028. We prepare you to pass and keep you there across option years and surveillance cycles.

      110Controls Mapped
      4Phases Covered
      100%Remote Delivery
      3Engagement Tiers