ISC Security Planning And Engineering Practice Question
An ISSEP professional is reviewing an architecture for compliance with NIST SP 800-160, Systems Security Engineering. Which THREE of the following activities are core to the 'Trustworthiness' objective for an engineered system?
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
✓
Hardware-based root of trust integration.
Trustworthiness is built through robust design, consistent verification, and proactive mitigation of vulnerabilities throughout the lifecycle.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Hardware-based root of trust integration.
Why this is correct
Establishing a foundational level of trust within the hardware layer.
- ✗
Prioritizing feature release speed over security patches.
Why it's wrong here
Prioritizing speed over security undermines system trustworthiness.
- ✓
Iterative vulnerability assessment and remediation.
Why this is correct
Systemic identification and fixing of flaws are core to trustworthiness.
- ✓
Continuous verification of security property enforcement.
Why this is correct
Verifying that security properties are maintained throughout the lifecycle.
- ✗
Outsourcing all security monitoring to third-party providers.
Why it's wrong here
Outsourcing does not fulfill the internal engineering requirement for trustworthiness.
About these practice questions
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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.