For years, cybersecurity was treated primarily as an internal risk-management issue. Organizations invested in security to protect their data, avoid downtime, preserve customer trust, and reduce the likelihood of a costly breach.
Those reasons still matter. But for companies participating in the Department of Defense supply chain, cybersecurity now carries another business consequence: the ability to compete for and retain contracts.
The Cybersecurity Maturity Model Certification program, better known as CMMC, is moving from preparation and discussion into active contract requirements. Organizations that process, store, or transmit Federal Contract Information (FCI) or Controlled Unclassified Information (CUI) may be required to demonstrate that they have implemented the appropriate cybersecurity safeguards.
The key word is demonstrate.
It is no longer enough to say that your organization takes security seriously, owns modern security tools, or follows industry best practices. Depending on the contract and information involved, you may need a current CMMC status supported by documented policies, technical controls, assessment results, and evidence that those controls are operating as intended.
For some companies, cybersecurity readiness could become the dividing line between winning a contract and being ineligible to receive it.
When business leaders hear “Department of Defense contractor,” they may picture aircraft manufacturers, weapons systems or other large prime contractors. The actual defense industrial base extends much further.
It can include manufacturers, machine shops, engineering firms, technology providers, logistics companies, professional services firms and other suppliers several tiers removed from the federal government.
A business may never contract directly with the DoD and still encounter CMMC requirements through a customer. Prime contractors and higher-tier subcontractors must ensure that appropriate requirements flow down to organizations handling protected information.
That makes one of the first CMMC readiness questions surprisingly basic: What information does your organization receive, create, process, store or transmit as part of its contracts?
Federal Contract Information generally includes nonpublic information provided by or generated for the government under a contract. Controlled Unclassified Information is information that requires safeguarding or dissemination controls under federal policy.
Understanding which information enters your environment—and where it travels—is essential to determining the systems, users, applications and service providers that may fall within the assessment scope.
CMMC is not a single universal certification. It includes multiple levels and assessment methods based on the sensitivity of the information and the requirements identified in the solicitation or contract.
At Level 1, organizations perform an annual self-assessment focused on basic safeguarding requirements for FCI.
Level 2 aligns with the security requirements in NIST SP 800-171 and applies to environments handling CUI. Some Level 2 organizations may be permitted to complete self-assessments, while others will require an assessment by a Certified Third-Party Assessment Organization, or C3PAO.
Level 3 applies to selected programs with more advanced security requirements and requires a government-led assessment.
Organizations should not assume their required level based on company size, industry or what another contractor was asked to achieve. The required CMMC status is connected to the contract, the information involved and the systems used to perform the work.
Modern cybersecurity technologies are an important part of CMMC readiness, but technology alone is not enough.
An organization might have multifactor authentication, endpoint protection, firewalls, secure backups and vulnerability scanning yet still struggle during an assessment. The problem may not be the absence of tools. It may be inconsistent deployment, incomplete configuration, undocumented procedures, unclear ownership or a lack of evidence showing that required activities occur.
CMMC examines whether applicable practices are implemented within the assessment scope. That may involve reviewing technical configurations, policies, diagrams, logs, tickets, training records, risk assessments and other supporting evidence.
This is why readiness requires cooperation across the business. IT may implement the controls, but leadership, human resources, operations, compliance, legal teams and outside service providers can all influence the outcome.
Cybersecurity must function as an operating discipline—not a collection of products purchased over time.
One of the most consequential CMMC decisions is defining the environment that handles protected information.
If CUI is distributed broadly across email, file shares, endpoints, cloud platforms, business applications and third-party services, the assessment scope may become extensive. Every additional system, connection, user and provider can add technical requirements, documentation and evidence.
Some organizations may benefit from creating a carefully controlled enclave: a separated environment designed specifically for the people, processes and technologies that handle CUI. When properly designed, an enclave may reduce the number of assets included in the assessment and make protected information easier to govern.
However, an enclave is not an automatic shortcut. Data flows, external connections, security-protection assets and operational dependencies must still be evaluated. Poorly planned segmentation can create a false sense of separation while leaving important systems within scope.
The objective is not simply to make the assessment smaller. It is to create a defensible environment in which sensitive information can be consistently protected.
CMMC implementation began entering applicable DoD solicitations and contracts in November 2025. Phase 2 is scheduled to begin in November 2026, expanding the use of Level 2 third-party assessment requirements for applicable contracts.
That does not mean every defense supplier will receive the same requirement on the same date. Requirements will continue to appear through the phased implementation process.
It does mean organizations should avoid waiting until a qualifying opportunity arrives.
A readiness initiative can require time to identify FCI and CUI, map data flows, define scope, conduct a gap assessment, remediate technical weaknesses, write policies, gather evidence and prepare employees. Organizations that require a C3PAO assessment must also account for assessment availability and time to address findings.
A strong preparation process should answer several questions:
The goal is not to pass an assessment once and return to business as usual. Organizations must maintain the security practices supporting their CMMC status and affirm continuing compliance.
CMMC changes the business conversation around cybersecurity. A weakness that once represented only technical risk may now also affect contract eligibility, customer relationships and future revenue.
For manufacturers and suppliers, the right response is not panic or a rushed technology purchase. It is a deliberate assessment of the business, its information, its contractual obligations and the environment supporting the work.
Network Solutions can help your organization evaluate its current environment, identify potential gaps and develop a practical path toward stronger cybersecurity and CMMC readiness. If your organization handles federal contract information, participates in the defense supply chain or is unsure how upcoming requirements may affect its business, fill out the form below to start a conversation about your needs.