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DEFINITIONS
Information Systems Security (INFOSEC)
The protection of information systems against unauthorized access to or modification
of information, whether in storage, processing, or transit, and against the denial of
service to authorized users or the provision of service to unauthorized users,
including those measures necessary to detect, document, and counter such threats.
Communications Security (COMSEC)
Measures and controls taken to deny unauthorized persons
information derived from telecommunications and ensure the
authenticity of such telecommunication, this includes
cryptosecurity, transmission, emissions, and physical security of
Computer Security (COMPUSEC)
Measures and controls that ensure confidentiality, integrity, availability of
information processed and stored in the computer.
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