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Exam ISA-IEC-62443 Topic 1 Question 110 Discussion
Actual exam question for ISA's ISA-IEC-62443 exam
Question #: 110
Topic #: 1
Question #: 110
Topic #: 1
A company is developing an automation solution and wants to align its cybersecurity efforts with ISA/IEC
62443 standards. Which lifecycle phases should be integrated into their project plan to cover both security and automation solution security comprehensively?
62443 standards. Which lifecycle phases should be integrated into their project plan to cover both security and automation solution security comprehensively?
Suggested Answer: A Vote an answer
ISA/IEC 62443 is explicitly lifecycle-based, requiring cybersecurity considerations to be integrated across all phases of an automation solution's lifecycle. This includes concept, design, implementation, verification, operation, maintenance, and decommissioning.
Step 1: Lifecycle philosophy of ISA/IEC 62443
The standard recognizes that cybersecurity risks emerge and evolve throughout the system lifecycle.
Addressing security in only one phase leaves gaps that attackers can exploit.
Step 2: Design and implementation are not sufficient
While secure architecture and configuration are critical, they must be supported by secure development practices, verification, operational procedures, incident response, patching, and change management.
Step 3: Operational importance
Many cybersecurity failures occur during operation due to poor maintenance, weak access control, or unmanaged changes. ISA/IEC 62443-2-1 and 3-3 explicitly address these phases.
Step 4: End-of-life considerations
Decommissioning must also be planned to ensure data, credentials, and access paths are securely removed.
Because the standard spans management (2-x), system (3-x), and component (4-x) requirements across the lifecycle, all phases must be integrated.
Step 1: Lifecycle philosophy of ISA/IEC 62443
The standard recognizes that cybersecurity risks emerge and evolve throughout the system lifecycle.
Addressing security in only one phase leaves gaps that attackers can exploit.
Step 2: Design and implementation are not sufficient
While secure architecture and configuration are critical, they must be supported by secure development practices, verification, operational procedures, incident response, patching, and change management.
Step 3: Operational importance
Many cybersecurity failures occur during operation due to poor maintenance, weak access control, or unmanaged changes. ISA/IEC 62443-2-1 and 3-3 explicitly address these phases.
Step 4: End-of-life considerations
Decommissioning must also be planned to ensure data, credentials, and access paths are securely removed.
Because the standard spans management (2-x), system (3-x), and component (4-x) requirements across the lifecycle, all phases must be integrated.
by Fitch at Jul 01, 2026, 08:51 AM
Here are all the actual test exam dumps for IT exams. Most people prepare for the actual exams with our test dumps to pass their exams. So it's critical to choose and actual test pdf to succeed.
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