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Rebecca Kappel Staff answered 4 months ago The National Institute of Standards and Technology (NIST) releases guidelines for information systems security, including Special Publication 800-171 (NIST SP 800-171). This publication provides security requirements for safeguarding Controlled Unclassified Information (CUI) in nonfederal systems and organizations.
NIST SP 800-171 Implementation Guide:
Assessment and Implementation:
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- Assess and implement all 110 controls specified in NIST 800-171.
- Create a System Security Plan (SSP) detailing how security requirements are met.
- Develop Plans of Action and Milestones (POA&M) for unimplemented controls, with an option for alternative security measures.
Latest Drafts and Changes:
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- Be aware of the upcoming changes in the final draft of NIST SP 800-171 revision 3, which currently contains 95 requirements.
- Understand that despite the apparent decrease in requirements, the overall level of effort has increased.
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SP 800-171A Revision 3:
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- Recognize that SP 800-171A revision 3 introduces significant changes, including 445 determination statements.
- Be attentive to the 56 organizationally defined parameters (ODPs) within the verification steps, aligning with SP 800-53 and 53A.
Implementation Timeline:
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- Note that the final revisions of NIST SP 800-171 and SP 800-171A are expected in Spring 2024.
Relationship with CMMC:
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- Understand that to be NIST compliant does not directly impact the Cybersecurity Maturity Model Certification (CMMC) rule.
- Recognize that CMMC assessments are expected to begin in the first half of 2025, providing a timeline for NIST 800-171 compliance.
Organizationally Defined Parameters:
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- Acknowledge the presence of organizationally defined parameters (ODPs) and their flexibility.
- Be aware that external requirements may override internal parameters, necessitating adherence to specific values.
Public Comments and Feedback:
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- Recognize the importance of public comments in shaping NIST guidelines.
- Consider participating in the public comment process, focusing on categorization decisions outlined in the drafts.
Achieving NIST 800-171 compliance involves understanding the evolving requirements, preparing for upcoming changes, and considering tools like the Centraleyes platform as a NIST 800-171 compliance software for streamlined compliance management.
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