AC-4(9)

Requirement

Enforce the use of human reviews for [Assignment: organization-defined information flows] under the following conditions: [Assignment: organization-defined conditions].

Discussion

Organizations define security or privacy policy filters for all situations where automated flow control decisions are possible. When a fully automated flow control decision is not possible, then a human review may be employed in lieu of or as a complement to automated security or privacy policy filtering. Human reviews may also be employed as deemed necessary by organizations.

NIST 800-53A Assessment Guidance

Examine

[SELECT FROM: Access control policy; information flow control policies; procedures addressing information flow enforcement; system design documentation; system configuration settings and associated documentation; records of human reviews regarding information flows; list of information flows requiring the use of human reviews; list of conditions requiring human reviews for information flows; system audit records; system security plan; privacy plan; other relevant documents or records].

Interview

[SELECT FROM: System/network administrators; organizational personnel with information security and privacy responsibilities; organizational personnel with information flow enforcement responsibilities; system developers].

ID	Assessment Objectives
AC-04(09)	human reviews are used for <AC-04(09)_ODP[01] information flows> under <AC-04(09)_ODP[02] conditions>.

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