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SC-21(1)—Data Origin And Integrity

>Control Description

[Incorporated into SC-21]

>Assessment Interview Topics

Questions assessors commonly ask

Process & Governance:

  • •What policies govern the implementation of data origin and integrity?
  • •How are system and communications protection requirements defined and maintained?
  • •Who is responsible for configuring and maintaining the security controls specified in SC-21(1)?

Technical Implementation:

  • •How is data origin and integrity technically implemented in your environment?
  • •What systems, tools, or configurations enforce this protection requirement?
  • •How do you ensure that data origin and integrity remains effective as the system evolves?

Evidence & Documentation:

  • •What documentation demonstrates the implementation of SC-21(1)?
  • •Can you provide configuration evidence or system diagrams showing this protection control?
  • •What logs or monitoring data verify that this control is functioning correctly?

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