Crucial Exams

ISC2 Governance, Risk and Compliance (CGRC) Practice Question

Your team is implementing NIST SP 800-53 controls on a legacy SCADA network. The security baseline calls for FIPS-validated full-disk encryption to satisfy control SC-28 (Protection of Information at Rest), but the controllers cannot support that capability. Which compensating measure best preserves confidentiality of stored data while remaining feasible on the platform?

  • Install an endpoint detection and response agent on each SCADA server to identify malware and anomalous behavior.

  • Implement role-based access control and file-level encryption of sensitive data using an approved algorithm, with keys protected in a hardware security module.

  • Mirror all SCADA traffic to a central SIEM for real-time alerting and long-term log retention.

  • Conduct quarterly penetration tests and vulnerability scans against the SCADA segment to uncover exploitable weaknesses.

ISC2 Governance, Risk and Compliance (CGRC)
Implementation of Security and Privacy Controls
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