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protective technologies

Definitions:

  Special tamper-evident features, materials, and items employed for the purpose of detecting, delaying, and deterring attempts to compromise, modify, penetrate, extract, or substitute cryptographic and information processing equipment and keying material throughout its lifecycle including the secure shipping of these materials.
Sources:
CNSSI 4009-2015 from NSA/CSS Manual Number 3-16 (COMSEC)