How does FAR 52.204-21 relate to CMMC?
In this post we explain the new CMMC model.

Federal acquisition regulation 52.204-21 “Basic Safeguarding of Covered Contractor Information Systems” includes 15 security controls. CMMC level one draws it’s security practices from FAR 52.204-21.
With FAR 52.204-21 contractors are expected to implement the 15 required security controls. There are no documentation requirements such as a plan of action & milestone or system security plan. FAR 52.203-21 applies to what is known as “covered contractor information systems”. Those are systems that process, store, or transmit federal contract information.
CMMC level one draws its requirements from FAR 52.204-21. Like FAR 52.204-21, CMMC level one doesn’t have any documentation requirements. Companies with a CMMC level one requirement are simply responsible for implementing the 17 CMMC practices.
Keep reading
More on CMMC Level 1 & FAR 52.204-21.

SC.L1-B.1.X: Use Open-Source Tools to Monitor and Control Communications
Practical steps and open-source toolsets to monitor and control communications in order to meet FAR 52.204-21 and CMMC 2.0 Level 1 SC.L1-B.1.X requirements for small businesses.

AC.L1-B.1.IV: Use Data Classification and Redaction
Practical guide to implementing data classification and redaction to satisfy FAR 52.204-21 and CMMC 2.0 Level 1 AC.L1-B.1.IV obligations for small businesses.

AC.L1-B.1.II: Practical Exercises to Enforce Authorized Functions Only
Practical, exercise-driven guidance for training admins and users to enforce 'authorized functions only' under FAR 52.204-21 and CMMC 2.0 Level 1, with small-business examples and measurable compliance artifacts.
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