CRISC Information Technology and Security Practice Question
A manufacturing company is integrating its industrial control systems (ICS) with the corporate IT network to enable real-time data analytics. Which of the following represents the MOST significant risk introduced by this convergence?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Expansion of the attack surface from IT to OT environments
Connecting ICS to the corporate network expands the attack surface, allowing threats from the IT network to reach OT systems, potentially leading to safety incidents.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increased complexity in managing network bandwidth
Why it's wrong here
Bandwidth management is a performance issue, not the most significant risk.
- ✗
Potential for increased data redundancy
Why it's wrong here
Data redundancy is not a security risk.
- ✓
Expansion of the attack surface from IT to OT environments
Why this is correct
This creates new pathways for cyber attacks that can have physical consequences.
- ✗
Higher licensing costs for security software
Why it's wrong here
Cost is a secondary concern compared to safety and operational risks.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CRISC practice question is part of Courseiva's free ISACA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CRISC exam.