SC-28(2)—Offline Storage
>Control Description
Remove the following information from online storage and store offline in a secure location: ⚙organization-defined information.
>Cross-Framework Mappings
>Supplemental Guidance
Removing organizational information from online storage to offline storage eliminates the possibility of individuals gaining unauthorized access to the information through a network. Therefore, organizations may choose to move information to offline storage in lieu of protecting such information in online storage.
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What policies govern the implementation of offline storage?
- •How are system and communications protection requirements defined and maintained?
- •Who is responsible for configuring and maintaining the security controls specified in SC-28(2)?
Technical Implementation:
- •How is offline storage technically implemented in your environment?
- •What systems, tools, or configurations enforce this protection requirement?
- •How do you ensure that offline storage remains effective as the system evolves?
- •What network boundary protections are in place (firewalls, gateways, etc.)?
Evidence & Documentation:
- •What documentation demonstrates the implementation of SC-28(2)?
- •Can you provide configuration evidence or system diagrams showing this protection control?
- •What logs or monitoring data verify that this control is functioning correctly?
- •Can you provide network architecture diagrams and firewall rulesets?
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