SC.L2-3.13.4—Shared Resource Control
Level 2
800-171: 3.13.4
>Control Description
Prevent unauthorized and unintended information transfer via shared system resources.
>Cross-Framework Mappings
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What is your policy for preventing information leakage via shared resources?
- •How do you ensure shared resources are properly isolated between users?
- •What testing do you perform to verify shared resource controls?
- •Who is responsible for implementing shared resource protections?
Technical Implementation:
- •What OS-level controls prevent resource-based information leakage?
- •What virtualization technologies isolate shared resources?
- •What memory protection prevents information leakage?
- •What container isolation protects shared resources?
- •What testing verifies shared resource isolation?
Evidence & Documentation:
- •What network diagrams show boundary protection architecture?
- •What firewall rule sets and configurations can you provide?
- •What encryption implementation documentation shows FIPS-validated crypto?
- •What key management procedures can you provide?
- •What network segmentation documentation shows proper separation?
- •What evidence shows cryptographic mechanisms protect CUI?
- •What configuration documentation shows security controls are properly implemented?
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