Controller definition in Computer Security terms:

Acronym(s): None

Definition(s): A functional exercise staff member who monitors, manages, and controls exercise activity to meet established objectives.
Source(s): NIST SP 800-84

A device or program that operates automatically to regulate a controlled variable.
Source(s): NIST SP 800-82 Rev. 2 (ANSI/ISA-51.1-1979)

Synonym(s): None


reference: CSRC Glossary