ISA/IEC 62443 Cybersecurity Fundamentals Specialist — Question 66

Which of the following is an element of monitoring and improving a CSMS?

Answer options

• A. Increase in staff training and security awareness
• B. Restricted access to the industrial control system to an as-needed basis
• C. Significant changes in identified risk round in periodic reassessments
• D. Review of system logs and other key data files

Correct answer: D

Explanation

The correct answer, D, is accurate because reviewing system logs and key data files is essential for identifying security incidents and improving the CSMS. Options A, B, and C, while important for overall security, do not specifically relate to the monitoring and improvement process of a CSMS.