DoD Directive 8500.1 - Common Access Card (CAC)

DODD 8500.1, October 24, 2002
E2. ENCLOSURE 2
DEFINITIONS
E2.1.1. Application. Software program that performs a specific function directly
for a user and can be executed without access to system control, monitoring or
administrative privileges. Examples include office automation, electronic mail, web
services, and major functional or mission software programs.
E2.1.2. Authentication. Security measure designed to establish the validity of a
transmission, message, or originator, or a means of verifying an individual's
authorization to receive specific categories of information (reference (i)).
E2.1.3. Authorized User. Any appropriately cleared individual with a requirement
to access a DoD information system in order to perform or assist in a lawful and
authorized governmental function.
E2.1.4. Availability. Timely, reliable access to data and information services for
authorized users (reference (i)).
E2.1.5. Community Risk. Probability that a particular vulnerability will be
exploited within an interacting population and adversely impact some members of that
population.
E2.1.6. Computer Network. The constituent element of an enclave responsible
for connecting computing environments by providing short-haul data transport
capabilities such as local or campus area networks, or long-haul data transport
capabilities such as operational, metropolitan or wide area and backbone networks.
E2.1.7. Computing Environment. Workstation or server (host) and its operating
system, peripherals, and applications (reference (i)).
E2.1.8. Confidentiality. Assurance that information is not disclosed to
unauthorized entities or processes (reference (i)).
E2.1.9. Connection Approval. Formal authorization to interconnect information
systems.
E2.1.10. Controlled Unclassified Information. A term used, but not specifically
defined in reference (o), to refer to sensitive information as defined in paragraph
E2.1.40., below.
17 ENCLOSURE 2