ISA/IECISA/IEC 62443IEC 62443: System & Component Security RequirementsEASYFree question
A control engineer maps the protection of historian databases and engineering project files at rest to one of the seven Foundational Requirements. Encrypting stored configuration data aligns most directly with which FR?
- A.FR 7 Resource Availability
- B.FR 3 System Integrity
- C.FR 6 Timely Response to Events
- D.FR 4 Data Confidentiality
Why D is correct
FR 4 (Data Confidentiality) addresses preventing unauthorized disclosure of information whether in transit or at rest, which is the rationale behind encrypting stored configuration and historian data. FR 3 covers integrity, not confidentiality.
Know someone studying for ISA/IEC 62443? Send them this one.