ISC2 CC Access Controls Concepts Practice Question
A company implements a policy where no single employee can approve a purchase order over $10,000. Instead, two managers must jointly approve it. Which security principle does this practice exemplify?
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
✓
Separation of duties
Separation of duties ensures that no single individual has control over all critical functions, reducing the risk of fraud or error.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Need-to-know
Why it's wrong here
Need-to-know restricts data access to job-necessary data, not approval processes.
- ✗
Defense in depth
Why it's wrong here
Defense in depth uses multiple overlapping controls, but this scenario specifically describes separation of duties.
- ✓
Separation of duties
Why this is correct
Requiring two approvals for high-risk actions prevents a single person from committing fraud.
- ✗
Least privilege
Why it's wrong here
Least privilege grants only minimum permissions needed, but does not require multiple approvals.
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
Key term
Separation of duties
Separation of duties is a security principle that splits critical tasks and privileges among multiple people to prevent fraud, errors, and abuse of power.
Key term
Policy
A policy is a set of rules or guidelines that defines how an organization manages, secures, and operates its IT systems and services.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 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 CC exam.