Optional Modification

Optional Modification definition in Computer Security terms:

Acronym(s): None

Definition(s): National Security Agency (NSA)-approved modification not required for universal implementation by all holders of a COMSEC end-item. This class of modification requires all of the engineering/doctrinal control of mandatory modification but is usually not related to security, safety, TEMPEST, or reliability. See mandatory modification (MAN).
Source(s): CNSSI 4009-2015

Synonym(s): None


reference: CSRC Glossary