U.S. flag   An unofficial archive of your favorite United States government website
Dot gov

Official websites do not use .rip
We are an unofficial archive, replace .rip by .gov in the URL to access the official website. Access our document index here.

Https

We are building a provable archive!
A lock (Dot gov) or https:// don't prove our archive is authentic, only that you securely accessed it. Note that we are working to fix that :)

Computer Security Resource Center

Computer Security Resource Center

This is an archive
(replace .gov by .rip)
    Glossary
A  |  B  |  C  |  D  |  E  |  F  |  G  |  H  |  I  |  J  |  K  |  L  |  M  |  N  |  O  |  P  |  Q  |  R  |  S  |  T  |  U  |  V  |  W  |  X  |  Y  |  Z

classified national security information

Abbreviation(s) and Synonym(s):

Definition(s):

  Information that has been determined pursuant to Executive Order 13526 or any predecessor order to require protection against unauthorized disclosure and is marked to indicate its classified status when in documentary form.
Source(s):
NIST SP 800-39 under Classified National Security Information from CNSSI 4009

  Information that has been determined pursuant to Executive Order (E.O.) 13526 or any predecessor order to require protection against unauthorized disclosure and is marked to indicate its classified status when in documentary form.
Source(s):
CNSSI 4009-2015 from E.O. 13526
NIST SP 800-37 Rev. 2
NIST SP 800-53 Rev. 5 from E.O. 13526

  See classified national security information.
Source(s):
CNSSI 4009-2015 under national security information (NSI)