Câu 309: 312-50V13: Certified Ethical Hacker v13

A large chemical plant uses operational technology (OT) networks to control its industrial processes. Recently, security personnel noticed abnormal behavior from critical Programmable Logic Controllers (PLCs), suspecting a stealthy compromise via malicious firmware. Which action should the team take first to effectively verify and neutralize this issue?

1. A. Implement enhanced intrusion detection rules to flag unusual traffic patterns.
2. B. Immediately isolate suspicious devices within separate network segments.
3. C. Perform detailed inspections of device software for hidden, unauthorized modifications. — đáp án hiện tại
4. D. Restrict remote administrative access to essential industrial equipment.