SI-17—Fail-Safe Procedures
>Control Description
Implement the indicated fail-safe procedures when the indicated failures occur: ⚙organization-defined list of failure conditions and associated fail-safe procedures.
>Cross-Framework Mappings
>Supplemental Guidance
Failure conditions include the loss of communications among critical system components or between system components and operational facilities. Fail-safe procedures include alerting operator personnel and providing specific instructions on subsequent steps to take. Subsequent steps may include doing nothing, reestablishing system settings, shutting down processes, restarting the system, or contacting designated organizational personnel.
>Related Controls
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What policies and procedures govern fail-safe procedures?
- •Who is responsible for monitoring system and information integrity?
- •How frequently are integrity monitoring processes reviewed and updated?
Technical Implementation:
- •What technical controls detect and respond to fail-safe procedures issues?
- •How are integrity violations identified and reported?
- •What automated tools support system and information integrity monitoring?
Evidence & Documentation:
- •Can you provide recent integrity monitoring reports or alerts?
- •What logs demonstrate that SI-17 is actively implemented?
- •Where is evidence of integrity monitoring maintained and for how long?
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