Assessment Objective

Determine if:

• AC-21a. authorized users are enabled to determine whether access authorizations assigned to a sharing partner match the information’s access and use restrictions for [Assignment: information-sharing circumstances];
• AC-21b. [Assignment: automated mechanisms] are employed to assist users in making information-sharing and collaboration decisions.

Assessment Methods

Examine

• Access control policy
• procedures addressing user-based collaboration and information sharing (including restrictions)
• system design documentation
• system configuration settings and associated documentation
• list of users authorized to make information-sharing/collaboration decisions
• list of information-sharing circumstances requiring user discretion
• non-disclosure agreements
• acquisitions/contractual agreements
• system security plan
• privacy plan
• privacy impact assessment
• security and privacy risk assessments
• other relevant documents or records

Interview

• Organizational personnel responsible for information-sharing/collaboration decisions
• organizational personnel with responsibility for acquisitions/contractual agreements
• system/network administrators
• organizational personnel with information security and privacy responsibilities

Test

• Automated mechanisms or manual process implementing access authorizations supporting information-sharing/user collaboration decisions

Saistītie uzdevumi

• NIST -

  EN: Publications of the National Institute of Standards and Technology (NIST), U.S. Department of Commerce, https://www.nist.gov/, from their electronic versions (OSCAL; SP 800-63-4 from its HTML version, https://pages.nist.gov/800-63-4/). Works of NIST employees are not subject to copyright protection in the United States (17 U.S.C. § 105); the OSCAL content is dedicated to the public domain worldwide (CC0 1.0); outside the United States NIST grants the right to reprint its technical series publications in all formats (NIST copyright statement). Republished courtesy of the National Institute of Standards and Technology; each document names its citation. Divided into sections and converted into the GRCA format, the wording unchanged. Only the versions published by NIST are authoritative.

  DE: Veröffentlichungen des National Institute of Standards and Technology (NIST), U.S. Department of Commerce, https://www.nist.gov/, aus ihren elektronischen Fassungen (OSCAL; SP 800-63-4 aus ihrer HTML-Fassung, https://pages.nist.gov/800-63-4/). Werke von NIST-Beschäftigten sind in den USA urheberrechtlich nicht geschützt (17 U.S.C. § 105); die OSCAL-Inhalte sind weltweit gemeinfrei gestellt (CC0 1.0); außerhalb der USA räumt das NIST das Recht ein, seine Technical-Series-Publikationen in allen Formaten neu zu veröffentlichen (Copyright-Hinweis des NIST). „Republished courtesy of the National Institute of Standards and Technology“; jedes Dokument nennt seine Zitierangabe. In Abschnitte aufgeteilt und in das GRCA-Format umgewandelt, der Wortlaut unverändert. Maßgeblich sind allein die vom NIST veröffentlichten Fassungen.