Defined term
Two-person Integrity (TPI)
Two-person Integrity (TPI): The system of storage and handling designed to prohibit individual access to certain COMSEC keying material by requiring the…
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Infrastructure
Definition
The system of storage and handling designed to prohibit individual access to certain COMSEC keying material by requiring the presence of at least two authorized persons, each capable of detecting incorrect or unauthorized security procedures with respect to the task being performed.
Alternative Definitions
- Definition 2
System of storage and handling designed to prohibit individual access by requiring the presence of at least two authorized individuals, each capable of detecting incorrect or unauthorized security procedures with respect to the task being performed. See No-Lone Zone. (CNSSI-4009) (NISTIR)
Sources
1
Committee on National Security Systems Glossary CNSSI 4009-2015
View Source2
The Cyber Glossary
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