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  2. Classified information in the United States - Wikipedia

    en.wikipedia.org/wiki/Classified_information_in...

    One violating these directives might be guilty of violating a lawful order or mishandling classified information. For ease of use, caveats and abbreviations have been adopted that can be included in the summary classification marking (header/footer) to enable the restrictions to be identified at a glance.

  3. Classified information - Wikipedia

    en.wikipedia.org/wiki/Classified_information

    Classified information can be designated Top Secret, Secret or Confidential. These classifications are only used on matters of national interest. Top Secret: applies when compromise might reasonably cause exceptionally grave injury to the national interest. The possible impact must be great, immediate and irreparable.

  4. Declassification - Wikipedia

    en.wikipedia.org/wiki/Declassification

    After 25 years, declassification review is automatic with nine narrow exceptions that allow information to remain as classified. At 50 years, there are two exceptions, and classifications beyond 75 years require special permission. [ 2 ]

  5. United States security clearance - Wikipedia

    en.wikipedia.org/wiki/United_States_security...

    A United States security clearance is an official determination that an individual may access information classified by the United States Government.Security clearances are hierarchical; each level grants the holder access to information in that level and the levels below it.

  6. Burn bag - Wikipedia

    en.wikipedia.org/wiki/Burn_bag

    Burn bags are generally associated with US governmental organizations like the CIA and NSA, due to the classified nature of their work. Most other governmental organizations have some form of burn bag system to destroy documents deemed of a Top Secret, Secret, Classified, or other similar nature.

  7. Executive Order 13526 - Wikipedia

    en.wikipedia.org/wiki/Executive_Order_13526

    As a component of the Obama Administration's initiative to improve transparency and open-access to the Federal Government and the information it produces formally introduced upon taking office in late January 2009 [2] and as a result of an agency-wide review and recommendation process ordered in May of that same year, [3] the issuance of EO 13526 was ultimately prompted by several factors.

  8. Information hazard - Wikipedia

    en.wikipedia.org/wiki/Information_hazard

    Data hazards: A piece of data that can be used to harm others, such as the DNA sequence of a lethal pathogen. [2] Idea hazards: General ideas that can harm others if fulfilled. One example is the idea of "using a fission reaction to create a bomb". Knowing this idea alone can be enough for a well-resourced team to develop a nuclear bomb. [2]: 3

  9. Information security - Wikipedia

    en.wikipedia.org/wiki/Information_security

    Information security is the practice of protecting information by mitigating information risks. It is part of information risk management. [1] It typically involves preventing or reducing the probability of unauthorized or inappropriate access to data or the unlawful use, disclosure, disruption, deletion, corruption, modification, inspection, recording, or devaluation of information.