End Cryptographic Unit

End Cryptographic Unit definition in Computer Security terms:

Acronym(s): ECU

Definition(s): Device that 1) performs cryptographic functions, 2) typically is part of a larger system for which the device provides security services, and 3) from the viewpoint of a supporting security infrastructure (e.g., a key management system) is the lowest level of identifiable component with which a management transaction can be conducted.
Source(s): CNSSI 4009-2015

Synonym(s): None


reference: CSRC Glossary