Defined term
Protective Distribution System
Protective Distribution System: Wire line or fiber optic system that includes adequate safeguards and/or countermeasures (e.g., acoustic, electric,…
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Infrastructure
Definition
Wire line or fiber optic system that includes adequate safeguards and/or countermeasures (e.g., acoustic, electric, electromagnetic, and physical) to permit its use for the transmission of unencrypted information. (SP 800-53) (NISTIR)
Sources
1
The Cyber Glossary
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