Achieving CMMC Certification By the Deadline: Everything to Know

Quick Answer:

CMMC certification is required for DoD contractors to prove cybersecurity compliance. Companies must meet one of three CMMC levels based on the data they handle and complete assessments before phased deadlines ending in 2028 to remain eligible for contracts. In this blog, we’ll walk you through how to do this.

Serving the U.S. government is central to the mission of contract work. Currently, hundreds of thousands of contractors work with the Department of Defense (DoD), but being awarded a contract is a highly competitive process. Before entering the bidding process, it’s important to ensure all the proverbial Is are dotted and Ts crossed to improve your company’s chances of being selected for one or more of these coveted contracts.

If you’ve pursued DoD contracts before, you know preparation is the key to improving your chances of winning the contract. If your company is new to the process, this is a key factor to keep in mind as you put together your bid. Cybersecurity is at the forefront of protecting our nation’s sensitive information and DoD wants to ensure the contractors it partners with are prepared to meet its high standards.

To achieve contractor compliance with the government’s security posture, DoD has established a process for contractors to ensure they can maintain contract eligibility with the government. This is accomplished by fulfilling the conditions associated with DoD’s Cybersecurity Maturity Model Certification, typically referred to as “CMMC”.

CMMC is a critical requirement that DoD mandates for any contractors seeking to work with them. Understanding the ins and outs of this stipulation is important, especially because a major change was made last year in the rules previously established by the U.S. government. The major change implemented in 2025 included a shift from self-attested compliance to validated third-party assessments to ensure contractors handle sensitive and classified data in compliance.

In this article, we’ll provide a basic CMMC certification guide, which will include details associated with CMMC, what CMMC entails, how to get started on compliance, CMMC deadline requirements and ways a partner, such as Red River, can help you prepare and get your company on the path to proper CMMC certification.

What is DoD’s Cybersecurity Maturity Model Certification (CMMC)?

CMMC stands for Cybersecurity Maturity Model Certification, a Department of Defense (DoD) program. This program requires defense contractors to meet specific cybersecurity standards before they can win or keep DoD contracts that fall under the specifications set forth under CMMC.

These requirements are integrated into DoD contracts that are above the micro-purchase threshold (MPT) in situations where a contractor provides information systems that process, store or transmit Federal Contract Information (FCI) or Controlled Unclassified Information (CUI). These rules apply to the Defense Industrial Base (DIB), which includes more than 100,000 contractors and subcontractors tasked with handling FCI or CUI data types.

FCI vs. CUI

FCI stands for “federal contract information” and is low-sensitive, non-public information generated or provided by the U.S. government under a contract to deliver or develop a product or service. These types of information aren’t meant for public release. Examples might include emails discussing contracts, internal reports on project progress, simple transactional information (such as necessary to process payments) and other items not explicitly marked as being restricted. To qualify, the contractor must meet requirements set forth by FAR clause 52.204.21.

CUI stands for “controlled unclassified information” and carries a higher sensitivity designation than FCI, with a sensitivity level classified as moderate to high. CUI falls under the governance set forth by NIST SP 800-171 and encompasses items such as technical data, PII or intellectual property. Examples might include specific products, documents and vulnerability assessments of defense systems, to name a few. CUI is specifically identified and marked due to the more stringent requirements of sensitivity.

Data Type Determines CMMC Level Requirements

The type of data your company will be handling under its DoD contract will factor in when determining your CMMC level. For instance, if the contract your company is pursuing will handle CUI, but you only meet Level 1 standards (e.g., as necessary for FCI), your company won’t be compliant.  In the next section, we’ll take a deeper dive into the three different CMMC levels and why it’s important to correctly identify the level you need.

An Overview of the Three CMMC Levels

DoD stipulates three CMMC levels, each with its own requirements. The current version of this program is CMMC 2.0, which has been simplified from the original five-level model, bringing the newer version down to three levels. Here we’ll take a look at what each level is, what it requires and which contractors fall into each.

Level 1: Foundational

Level 1 CMMC requires contractors (and any subcontractors working with them) to complete a yearly self-assessment to verify the company’s compliance with FAR clause 52.204-21. This is designed for companies managing FCI and the annual self-assessment includes meeting approximately 15 basic cyber hygiene practices.

Level 2: Advanced

Contractors and subcontractors that handle CUI must be aligned with the requirements set by the government for Level 2 CMMC under NIST SP 800-171, which includes 110 controls. The company will need to be assessed in one of two ways: either a self-assessment or one performed by an independent third party (CMMC Third-Party Assessment Organization, referred to as “C3PAO”). The type of assessment will depend on the type of data the contractor/subcontractor will be managing, whether it be for processing, transmitting or storing.

Level 3: Expert

To qualify for Level 3 status, a company must meet all 110 controls under NIST SP 800-171 and be approved as a CMMC Level 2 contractor, but also must meet the 24 additional requirements set forth by NIST SP 800-172. Those companies handling high-priority programs as they manage CUI will be required to be assessed by a government-led team, the Department of Defense’s Industrial Base Cybersecurity Assessment Center (DIBCAC), to ensure they meet the additional 24 controls.

The level your company will need is directly linked to the type of data you’ll be managing.

CMMC Timeline

The new CMMC criteria will be rolled out in phases. DoD has stipulated specific critical CMMC deadline requirements, which are as follows:

• On November 10, 2025, Phase 1 began and CMMC Level 1 and Level 2 assessments became a condition of award for companies receiving DoD contracts. At this time, the acquisition rule went into effect and CMMC clauses were able to appear in solicitations for the first 12 months. DoD carries discretionary determination to require C3PAO assessments for Level 2.
• By October 31, 2026, all new DoD contracts will require CMMC, and this date will mark the end of the phased rollout for contractors handling CUI to achieve proper certification.
• Phase 2 timeline is set for November 10, 2026 – November 9, 2027, and C3PAO assessments will be mandatory for any applicable Level 2 contracts. At this time, Level 3 requirements for select DoD contracts will commence.
• Phase 3 timeline is established to occur from November 10, 2027 to November 9, 2028. During this timeframe, Level 3 certifications will be required for any applicable contracts. Level 2 certification will be required by DoD for all new and existing contracts.

A full rollout will occur throughout Phase 3 and once this timeline concludes, the new CMMC requirements will need to be met before any DoD contracts are awarded to contractors. The final date for the full rollout begins on November 10, 2028.

Paths to CMMC Certification

Since CMMC certification is built on existing NIST SP 800-171 cybersecurity controls, it doesn’t invent new requirements. Rather, it enforces existing ones with third-party verification. Currently, there are three certification paths:

Self-Assessment

Designed for companies seeking Level 1 CMMC for managing low-risk government information; some Level 2 may fall into this category for now. Contractors initially perform an evaluation of their internal security practices and compare them against the 15 requirements of FAR Clause 52.204.21 each year. Once this is complete, a designated senior official from the company must affirm the contractor’s compliance by using the Supplier Performance Risk System (SPRS).

C3PAO Third-Party Assessment

C3PAO stands for “CMMC Third-Party Assessment Organization” and is an independent party that is accredited to perform evaluations. The C3PAO assessment is designed to help those contractors seeking Level 2 CMMC ensure compliance so they can manage CUI data, which is categorized under moderate risk and follows the 110 practices outlined by NIST SP800-171.

This is a more rigorous type of assessment since it entails a third-party certification audit process to reach the compliance level necessary to handle CUI information under the new CMMC 2.0 guidelines. Contractors usually select a C3PAO to work with and it’s important to perform due diligence when choosing a C3PAO. Once a C3PAO is selected and the certification process starts, expect to participate in staff interviews, policy reviews, policy documentation audits, testing controls and examinations relating to evidence of control operation.

Government-Led Assessment

Designed for contractors seeking Level 3 CMMC compliance, this type of assessment is performed under the rigorous standards set by the U.S. government and the assessment is government-led. Performed by the Department of Defense’s Industrial Base Cybersecurity Assessment Center (DIBCAC), contractors will need to meet stringent requirements as DIBCAC evaluates their compliance with the management of the highest risk and/or the highest value CUI data.

DIBCAC will verify the contractor’s compliance with the additional 24 NIST SP 800-172 requirements. These audits take place every three years and contractors will also first need Final Level 2 certification through a C3PAO assessment, along with in-person reviews of their systems and processes. Annual affirmation will be required.

5-Step Path to Certification

Generally speaking, there is a five-step path your company should take to get you on the road to certification, which looks as follows:

1. Determine your CMMC Level by accurately evaluating the systems your company uses that process or store sensitive data, including those that “could” access FCI or CUI.
2. Conduct an honest gap assessment/internal audit to see if and where improvements can be made to heighten cyber hygiene and align with compliance standards.
3. Implement controls in areas where your company’s systems may be lacking.
4. Document everything, including your system security plan (SSP – your entire security blueprint) and Plan of Action and Milestones (POA&M – the document identifying tasks to be completed, including elements of the plan’s scheduled completion dates). With the SSP and POA&M, it’s essential to be specific in your language.
5. Engage with a C3PAO if your CMMC requires your business to have Level 2 certification; you might want to evaluate several companies because they run at different price points and levels of service, along with the fact C3PAO auditors may be limited in availability – book them a minimum of six months in advance.

Realistically, the timeline will be six to 12 months at a minimum from start to certification, so you don’t want to delay – if your company is starting from scratch, the process could take longer. Additionally, keep in mind that if you are the lead contractor and have subcontractor partners, you are responsible for their compliance as well – it may take some time to get everyone involved in the contract on the right page. Working with an expert third party can help ensure your entire chain meets all CMMC specifications.

What Happens if Contractors Miss the CMMC Deadline?

At this point in time, with the government’s stipulations regarding its latest timeline, missing the CMMC deadline is no longer an option for companies that want to position themselves to win contracts. CMMC isn’t a theoretical qualification; it’s a mandate that is part of the updated process that determines a contractor’s eligibility to obtain work from the DoD. Without it, companies will lose out on opportunities. Essentially, missing deadlines results in:

• Loss of contract eligibility
• Ability for contract renewal
• Eliminate subcontracting opportunities

The reality is that government contract officers are checking CMMC certification before awarding a contract, not after the fact. Companies that do not meet the CMMC Level-based requirements render themselves ineligible to win a contract. Although companies have a 180-day window to remedy any outstanding items on their POA&Ms.

CMMC is an Essential Component to Winning DoD Contracts

Many companies include government contract work as an integral part of their business plans. Whether a division or the entire company, these businesses depend upon contracts to operate while they simultaneously dedicate themselves to serving the United States of America and helping agencies, such as DoD, achieve their missions.

Moving forward, CMMC will remain a critical requirement to be able to work with the U.S. government under contracts that include the management of FCI or CUI. Understanding what CMMC requirements are regarding these data types, correctly identifying your company’s CMMC Level, ensuring compliance for secure handling of FCI and/or CUI and adhering to deadlines will better position your company to be selected to fulfill a contract.

The new timeline for CMMC certification has already begun rolling out and will continue to occur over the next 2.5 years until the full rollout happens on November 10, 2028. Companies pursuing DoD contract work will need to know whether they need to perform a self-assessment, C3PAO third-party assessment or government-led assessment through the DIBCAC to ensure they have the correct certification.

Certification isn’t a fast turnaround, so you should plan to start at least a year earlier to ensure you can identify requirements and determine what needs to be integrated into your cybersecurity posture before submitting your bid. Working with an experienced partner can help you prepare for the process and improve your outcome for a successful bid. This is especially true for companies that do not have a robust IT team staffed with members who can dedicate themselves to this essential task.

Is Your Company Ready for CMMC 2.0? Red River Can Help!

Establishing your cybersecurity practices to make certain they align with the DoD standards is a vital component to winning a government contract. Even though the final deadline seems far away, there is really no time to waste because some requirements are already in place. It’s a good strategy to be proactively prepared for when the rest of the requirement deadlines arrive.

Red River’s CMMC Level 2 compliant managed services environment contractors can help your company achieve and maintain certification without building everything in-house. Our team of experts will do a deep dive into your security systems and perform an honest assessment. Once we identify your strengths and weaknesses, our team will help you plan and build a full roadmap and then work directly with you to implement new controls, train employees and assist with any transitions. After everything is set up, we’ll also help you maintain and monitor to ensure you stay up to standards.

Ready to strategically position yourself before bidding on your next DoD contract? Red River is here for you. Contact us today and we’ll get the conversation started.