ISC Risk Management Practice Question
An ISSEP is performing a supply chain risk assessment for an IOT-based sensor array. Which finding poses the highest systemic risk to the overall system integrity?
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
✓
The sensor firmware is not signed.
Supply chain integrity is compromised when the provenance of hardware or software cannot be verified, as this allows for the insertion of hardware Trojans or backdoors that bypass traditional security controls.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The sensor housing is not tamper-evident.
Why it's wrong here
Physical tampering is a risk, but firmware integrity is a higher systemic concern.
- ✗
The sensors use an older version of Bluetooth.
Why it's wrong here
Version issues are technical risks but generally less systemic than an unverifiable code supply chain.
- ✓
The sensor firmware is not signed.
Why this is correct
Lack of code signing at the supply chain level is a critical vulnerability that allows malicious code to be executed on the system.
- ✗
The vendor does not provide a Service Level Agreement (SLA).
Why it's wrong here
While important for operations, lack of an SLA is a business risk, not a system integrity risk.
About these practice questions
One of 209 original ISC practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official (ISC)² exam blueprint
This ISC practice question is part of Courseiva's free (ISC)² 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 ISC exam.