Choose a cybersecurity contractor by matching its proposed work, people, security evidence and price to the agency’s mission and the solicitation’s stated evaluation criteria. There is no single certification that applies to every federal purchase: the solicitation, applicable clauses and system boundaries determine which security requirements a contractor must meet. For DoD procurements, check CMMC and DFARS requirements only where they apply.
1. Define the mission, work and information at risk
Before comparing providers, describe the outcomes the agency needs. A contractor delivering security operations, incident response, vulnerability assessment, engineering, authorization support or advisory services may require different access, staffing and deliverables. State what success looks like in terms the agency can evaluate.
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Map the contractor’s expected access and responsibilities. Identify the systems and data it will handle, whether that includes federal contract information (FCI) or controlled unclassified information (CUI), whether it will operate a system on the government’s behalf, and what incident-reporting or cloud conditions the contract imposes. Include subcontractors in that picture. Requirements depend on the acquisition and applicable agency rules; a provider’s marketing claims do not establish which obligations apply.
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Translate the mission into clear factors and significant subfactors, then evaluate each competitive proposal against those stated criteria. FAR source-selection rules allow consideration of technical approach, management capability, personnel qualifications and relevant prior experience, among other factors. They also require the agency to identify the factors that affect award in the solicitation. See FAR Subpart 15.3 — Source Selection.
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Depending on the work, criteria might address the work plan, named key personnel, incident escalation, management controls, deliverables, transition and continuity, subcontractor responsibilities, relevant experience and price. Define what evidence will demonstrate each requirement and how the agency will distinguish stronger proposals. Do not add an unstated preference during evaluation.
3. Compare proposals on the same dimensions
Use a common evaluation record so reviewers assess the same questions across offers. The questions below are prompts for applying the solicitation’s criteria—not additional award factors unless the solicitation includes them.
| Dimension | What to assess | Evidence to examine |
|---|---|---|
| Mission fit | Does the proposed service address the defined need and operating environment? | Work plan, scope assumptions, deliverables and proposed service boundaries. |
| Technical approach and delivery risk | Is the approach feasible, with clear incident response, escalation, transition and continuity arrangements? | Methods, roles, milestones, escalation paths and transition plan. |
| People and relevant experience | Do proposed staff and supporting firms have experience pertinent to this work? | Key-personnel qualifications, comparable engagements, references and subcontractor roles. |
| Security evidence | Does the evidence cover the systems, information and work involved, and satisfy the contract’s applicable requirements? | Relevant status or assessment evidence, system boundaries, cloud arrangements and applicable clauses. |
| Price and value | How does evaluated price compare under the solicitation’s stated selection method? | Price proposal and the solicitation’s stated evaluation and tradeoff rules. |
4. Check past performance for relevance and context
Past performance can indicate whether an offeror is likely to perform successfully, but a long client list or a prominent customer name is not a substitute for relevant evidence. FAR describes past performance as “one indicator of an offeror’s ability to perform the contract successfully.” Evaluate work in light of its similarity and recency, the customer and operating context, outcomes, and any recurring performance problems or corrective actions.
Where it bears on the proposed work, consider the experience of key personnel, predecessor companies and major subcontractors—not only the prime contractor’s corporate record. An offeror with no relevant past-performance history may not be evaluated favorably or unfavorably on that factor under the FAR source-selection rule. Apply the solicitation’s stated approach and see FAR Subpart 15.3 for the governing source-selection provisions.
5. Verify the security requirements that actually apply
Ask which contract clauses, information types, contractor systems, subcontractors and assessment evidence are in scope. Match each proposed credential or assessment to the system boundary and work it actually covers; a certificate, self-attestation, assessment score or general compliance statement does not by itself show that every system in the proposed solution is covered.
For DoD contracts, check CMMC in the solicitation
DoD’s CMMC requirement is solicitation-specific. Check whether the solicitation requires a CMMC level and identify the contractor information systems that must meet it. The DFARS policy bars award when an offeror lacks current status at the level required by the solicitation, and requires the status to be maintained where the contract so requires. See DFARS Subpart 204.75 — Cybersecurity Maturity Model Certification. Do not assume every DoD purchase—or every federal agency contract—requires the same level.
For covered systems, check applicable DFARS and NIST SP 800-171 terms
DFARS requires adequate security on covered contractor information systems and sets NIST SP 800-171 requirements for applicable systems, subject to exceptions and the solicitation or contracting officer’s authorization. Confirm the clauses and requirements included in the acquisition, the applicable NIST SP 800-171 version, the systems in scope and the required assessment evidence. The DFARS policy page says a Basic assessment is current within three years unless a shorter period is specified; use the rule applicable to the contract rather than treating that interval as universal. See DFARS 204.7302 — Policy.
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6. Apply the solicitation’s price and selection method
Use the method stated for the acquisition; do not equate the lowest price with the best value unless that is the solicitation’s stated approach. FAR describes lowest-price technically acceptable (LPTA) selection as appropriate when best value is expected from choosing the technically acceptable proposal with the lowest evaluated price. It also cautions agencies, to the maximum extent practicable, against using LPTA for procurements predominantly for cybersecurity services. Plan the method and state the factors clearly. See FAR Subpart 15.1 — Source Selection Processes and Techniques.
7. Prepare a defensible recommendation
Before finalizing a selection recommendation, confirm that the evaluation record connects the proposed award to the solicitation and the evidence reviewed. Check that reviewers assessed offers using the same stated criteria, that past-performance findings reflect relevance and context, that applicable security requirements are tied to the right systems and information, and that price was considered under the stated method. For a named agency or procurement, the solicitation, agency supplements and current FAR or DFARS text determine the specific obligations; the FAR source page reviewed reflects FAC 2026-01, effective March 13, 2026, and the DFARS source page reflects Change 5/7/2026.
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