NIST 800-171 3.13.4Prevent unauthorized and unintended information transfer via shared system resources
Overview
This control requires organizations to prevent unauthorized and unintended information transfer via shared system resources. It is part of the System and Communications Protection family and is one of the 110 NIST SP 800-171 Rev. 2 requirements DFARS 252.204-7012 obliges contractors handling CUI to implement — the requirement set CMMC Level 2 assesses. Implementing it protects CUI and supports the score you self-report to SPRS.
Assessment Objectives
- 1Determine if the organization has defined policies and procedures to prevent unauthorized and unintended information transfer via shared system resources
- 2Determine if the organization implements mechanisms to prevent unauthorized and unintended information transfer via shared system resources
- 3Verify that the implementation is consistent with organizational policies and NIST 800-171 requirements
Implementation Guidance
Implement this control by establishing documented policies and procedures, deploying appropriate technical controls, and maintaining evidence of ongoing compliance. Regularly review and test the implementation to ensure effectiveness and address any gaps identified during assessments.
Common Audit Gaps
Related DFARS Clauses
Frequently Asked Questions
What is NIST 800-171 control 3.13.4?
NIST 800-171 control 3.13.4 requires organizations to prevent unauthorized and unintended information transfer via shared system resources. This control is part of the System and Communications Protection family and is one of the 110 requirements DFARS 252.204-7012 obliges contractors handling CUI to implement — the requirement set CMMC Level 2 assesses.
How do you implement NIST 800-171 3.13.4?
To implement control 3.13.4, establish documented policies, deploy technical controls to prevent unauthorized and unintended information transfer via shared system resources, and maintain evidence of compliance. Regular testing and monitoring are essential.
What evidence is needed for NIST 800-171 3.13.4?
Evidence for control 3.13.4 typically includes written policies and procedures, system configuration documentation, audit logs showing enforcement, and records of periodic reviews. Assessors will look for both documentation and technical implementation.
Related Controls
3.13.3|Separate user functionality from system management functionality
System and Communications Protection
3.13.5|Implement subnetworks for publicly accessible system components that are physically or logically separated from internal networks
System and Communications Protection
3.14.1|Identify, report, and correct system flaws in a timely manner
System and Information Integrity
More in System and Communications Protection
Related Guides
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