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

Propojené úkoly

• NIST -

  https://csrc.nist.gov/pubs/sp/800/53/r5/upd1/final