NIST 800-171 Rev. 3 raises the bar on how Controlled Unclassified Information is protected. For aerospace manufacturers, that impact lands squarely in MES, ERP, and shop floor workflows, not just IT policy.

Revision 3 of NIST 800-171 changes what auditors expect to see, not just what controls exist. For manufacturers handling CUI, evidence discipline now matters as much as policy language.