Local Management Device definition in Computer Security terms:
Definition(s): The component in electronic key management system (EKMS) that provides electronic management of key and other COMSEC material and serves as an interface to the Key Processor. (It is composed of a user-supplied personal computer, an operating system, LCMS and user application software (UAS), as required).
Source(s): CNSSI 4009-2015 (CNSSI 4005)
reference: CSRC Glossary