Critical Infrastructures
Working Definitions
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Telecommunications
The networks and systems that support the transmission and
exchange of electronic communications among and between
end-users (such as networked computers).
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Electrical Power Systems
The generation stations, transmission and distribution
networks that create and supply electricity to end-users so that
end-users achieve and maintain nominal functionality, including
the transportation and storage of fuel essential to that system.
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Gas and Oil Production, Storage and Transportation
The holding facilities for natural gas, crude and refined
petroleum, and petroleum-derived fuels, the refining and
processing facilities for these fuels and the pipelines, ships,
trucks, and rail systems that transport these commodities from
their source to systems that are dependent upon gas and oil in
one of their useful forms.
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Banking and Finance
The retail and commercial organizations, investment
institutions, exchange boards, trading houses, and reserve
systems, and associated operational organizations, government
operations, and support entities, that are involved in all
manner of monetary transactions, including its storage for
saving purposes, its investment for income purposes, its
exchange for payment purposes, and its disbursement in the form
of loans and other financial instruments.
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Transportation
The aviation, rail, highway, and aquatic vehicles, conduits,
and support systems by which people and goods are moved from a
point-of-origin to a destination point in order to support and
complete matters of commerce, government operations, and
personal affairs.
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Water Supply Systems
The sources of water, reservoirs and holding facilities,
aqueducts and other transport systems, the filtration and
cleaning systems, the pipelines, the cooling systems and other
delivery mechanisms that provide for domestic and industrial
applications, including systems for dealing with waste water and
fire fighting.
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Emergency Services
The medical, police, fire and rescue systems and personnel
that are called upon when an individual or community is
responding to a public health or safety incident where speed and
efficiency are necessary.
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Continuity of Government Services
Those operations and services of governments at federal,
state, and local levels critical to the functioning of the
nation's systems, i.e., public health, safety, and welfare.
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