Expert NIST 800-171 Compliance Services & Consulting

NIST 800-171 is a cybersecurity standard that defines security requirements for protecting Controlled Unclassified Information, or CUI, in non-federal systems. For manufacturers, it often applies when CNC programs, drawings, job files, or production data are tied to defense contracts. The standard covers areas such as access control, auditability, configuration management, identification, authentication, and secure system use.

CNC machine shops may handle CUI inside part files, G-code, work instructions, drawings, or job documentation. NIST 800-171 becomes relevant when those files are stored, transferred, edited, or accessed through DNC software, shop-floor terminals, ERP/MES integrations, or machine networks. Secure permissions, revision history, event logging, and controlled file movement help reduce compliance risk.

Yes. Excellerant’s compliant DNC and machine-data software is designed for defense-sector and quality-regulated machine shops. It supports protection of CUI-bearing CNC program files through customizable user permissions, Active Directory integration, standards-compliant NC file revision control, per-machine event logging, and on-premise deployment options for organizations that need tighter infrastructure control.

Excellerant’s relevant DNC and machine-data software supports CMMC 2.0 and CMMC 3.0 requirements alongside NIST 800-171 controls. While certification outcomes depend on the full organizational environment, policies, and assessment scope, the platform provides important shop-floor capabilities such as secure CNC file handling, audit trails, permissions, and controlled revision management.

Yes. Excellerant offers on-premise deployment options for manufacturers that need more control over infrastructure, data access, and compliance boundaries. This can be especially useful for defense contractors evaluating CUI handling, cloud restrictions, customer requirements, or internal IT policies. On-premise deployment can be paired with permissions, event logs, and Active Directory integration.

The system can help maintain per-machine event logs, device connectivity history, CNC program revision history, and records of file changes or comparisons. These capabilities support accountability by documenting how NC files are managed and which versions are used. Audit readiness improves when technical logs are paired with internal procedures and documented compliance policies.

Excellerant’s strength is connecting mixed manufacturing environments, including older CNCs using RS-232 serial communications, paper-tape or BTR-style machines, and modern ethernet or wireless equipment. While legacy controls may have limitations, secure DNC workflows, controlled file access, revision management, and logging can help bring older assets into a more auditable compliance framework.

Implementation timing depends on machine count, CNC control types, ERP/MES integrations, network readiness, and required access-control complexity. A focused DNC and revision-control deployment is typically faster than a broad shop-floor integration. Excellerant’s process starts with workflow assessment, then moves into configuration, connectivity, permissions, logging, testing, and team training.