SECURITY CLASSIFICATION LEVELS
All information or material considered vital to the
safety of the United States is given a security
classification level. Each security classification level
indicates (tells) the amount of protection the
information and material requires to safeguard it against
unauthorized disclosure. There are only three security
classification levelsTop Secret, Secret, and
Confidential.
The Secretary of the Navy (SECNAV) or his/her
designees have the authority to originally classify
information as Top Secret, Secret, or Confidential. The
SECNAVs designees are listed in the Department of the
Navy Personnel Security Program, SECNAVINST
5510.30A and Department of the Navy (DON)
Information Security Program (ISP) Regulation,
SECNAVINST 5510.36.
Top Secret
Top Secret is the classification level applied to
information whose unauthorized disclosure could
reasonably be expected to cause exceptionally grave
damage to the national security. Some examples of
information that could cause grave damage to national
security include
Armed hostilities against the United States or its
allies
A disruption of foreign relations vitally affecting
the national security
The compromise of vital national defense plans
The disclosure of complex cryptographic and
communications intelligence systems
The disclosure of sensitive intelligence
operations
The disclosure of significant scientific or
technological developments vital to national
security
Secret
Secret is the classification level applied to
information whose unauthorized disclosure could
reasonably be expected to cause serious damage to the
national security. Some examples of information that
could cause serious damage to national security include
information that could
Disrupt foreign relations significantly affecting
the nations security
Significantly impair a program or policy directly
related to the national security
Disclose significant military plans or
intelligence operations
Compromise significant scientific or
technological developments relating to national
security
Confidential
Confidential is the classification level applied to
information whose unauthorized disclosure could
reasonably be expected to cause damage to the national
security. Some examples of information that could
cause damage to national security include information
that could
Indicate ground, air, and naval forces (such as
force levels and force dispositions)
Reveal performance characteristics, such as
design, test, and production data of U.S.
munitions and weapons systems
Controlled Unclassified Information
Controlled unclassified information is defined and
governed by laws, international agreements, and
regulations that address the identification, marking,
protection, handling, transmission, transportation, and
destruction of controlled unclassified information.
Controlled unclassified information includes
For Official Use Only (FOUO) information
under the Freedom of Information Act (FOIA)
Department of State (DOS) Sensitive But
Unclassified (SBU) information
DOD and DOE Unclassified Controlled Nuclear
Information (UCNI)
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