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    Glossary
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two-person integrity

Abbreviations / Acronyms / Synonyms:

TPI

Definitions:

  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. Note: Two-Person Control refers to the handling of Nuclear Command and Control COMSEC material while Two-Person Integrity refers only to the handling of COMSEC keying material.
Sources:
CNSSI 4009-2015 from NSA/CSS Manual Number 3-16 (COMSEC)

  A system of storage and handling designed to prohibit individual access to certain material by requiring the presence of at least two authorized persons for the task to be performed.
Sources:
NIST IR 8401