High Impact

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The loss of confidentiality, integrity, or availability that could be expected to have a severe or catastrophic adverse effect on organizational operations, organizational assets, individuals, other organizations, or the national security interests of the United States; For example:

  1. causes a severe degradation in mission capability to an extent and duration that the organization is able to perform its primary functions, but the effectiveness of the functions is significantly reduced;
  2. results in major damage to organizational assets;
  3. results in major financial loss; or
  4. results in severe or catastrophic harm to individuals involving loss of life or serious life-threatening injuries.

See the following for more information: 

CNSSI 4009-2015 (FIPS 199).
NIST SP 800-161 under High Impact (FIPS 199CNSSI 4009).
NISTIR 7622 under High Impact (CNSSI 4009-2010FIPS 199).

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