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AC-3(12)—Assert And Enforce Application Access

>Control Description

a

Require applications to assert, as part of the installation process, the access needed to the following system applications and functions: ⚙organization-defined system applications and functions;

b

Provide an enforcement mechanism to prevent unauthorized access; and

c

Approve access changes after initial installation of the application.

>Supplemental Guidance

Asserting and enforcing application access is intended to address applications that need to access existing system applications and functions, including user contacts, global positioning systems, cameras, keyboards, microphones, networks, phones, or other files.

>Related Controls

CM-7

>Assessment Interview Topics

Questions assessors commonly ask

Process & Governance:

  • •What formal policies and procedures govern the implementation of AC-3(12) (Assert And Enforce Application Access)?
  • •Who are the designated roles responsible for implementing, maintaining, and monitoring AC-3(12)?
  • •How frequently is the AC-3(12) policy reviewed and updated, and what triggers policy changes?
  • •What training or awareness programs ensure personnel understand their responsibilities related to AC-3(12)?

Technical Implementation:

  • •Describe the specific technical mechanisms or controls used to enforce AC-3(12) requirements.
  • •What automated tools, systems, or technologies are deployed to implement AC-3(12)?
  • •How is AC-3(12) integrated into your system architecture and overall security posture?
  • •What configuration settings, parameters, or technical specifications enforce AC-3(12) requirements?

Evidence & Documentation:

  • •What documentation demonstrates the complete implementation of AC-3(12)?
  • •What audit logs, records, reports, or monitoring data validate AC-3(12) compliance?
  • •Can you provide evidence of periodic reviews, assessments, or testing of AC-3(12) effectiveness?
  • •What artifacts would you present during a FedRAMP assessment to demonstrate AC-3(12) compliance?

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