The correct answer is need-to-know, because this access control principle strictly limits data access to only the information required for a user to perform their specific job duties. In the scenario, the user retrieved all customer records, but their role only requires access to their own assigned customers, meaning they accessed data beyond what is necessary—a direct violation of the need-to-know concept, which focuses on restricting access to specific data elements rather than entire datasets. On the Systems Security Certified Practitioner SSCP exam, this principle tests your understanding of granular access control, often appearing in questions that contrast it with least privilege (which limits permissions to the minimum needed for a task) or role-based access control. A common trap is confusing need-to-know with least privilege, but remember: least privilege is about *what actions* you can perform, while need-to-know is about *which data* you can see. For a quick memory tip, think “need-to-know = need the data, not just the access.”
SSCP Access Controls Practice Question
This SSCP practice question tests your understanding of access controls. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A database audit log shows that a user ran a query retrieving all customer records. The user's job role only requires access to view their own assigned customers. Which access control concept has been violated?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Need-to-know
The need-to-know principle restricts data access to only the information necessary for a user to perform their job duties. In this case, the user retrieved all customer records, but their role only requires access to their own assigned customers, meaning they accessed data beyond what is necessary. This directly violates the need-to-know concept, which is a subset of access control that limits access to specific data elements rather than entire datasets.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Job rotation
Why it's wrong here
Job rotation is a control to prevent fraud by rotating roles, not a data access restriction.
✓
Need-to-know
Why this is correct
Need-to-know restricts access to data required for job functions; the user accessed data outside their need.
Related concept
Read the scenario before looking for a memorised answer.
✗
Separation of duties
Why it's wrong here
Separation of duties prevents a single person from performing conflicting actions; not applicable here.
✗
Least privilege
Why it's wrong here
Least privilege was not violated because the user had the permission; the issue is accessing data beyond what is needed.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'least privilege' with 'need-to-know,' but least privilege governs the level of permissions (e.g., read vs. write), while need-to-know governs the scope of data accessible (e.g., which specific records), and the question specifically describes a scope violation, not a permission level violation.
Detailed technical explanation
How to think about this question
Under the hood, need-to-know is enforced through attribute-based access control (ABAC) or row-level security (RLS) in databases, where policies evaluate user attributes (e.g., assigned customer ID) against data attributes (e.g., customer_owner field). For example, in a SQL database, a view or stored procedure with a WHERE clause filtering by the user's assigned customers would implement need-to-know, whereas the user's query bypassed this by selecting all rows. In real-world scenarios, a healthcare system using HIPAA regulations must enforce need-to-know to prevent a nurse from accessing patient records outside their assigned ward, even if they have general read permissions.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Access Controls — This question tests Access Controls — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Need-to-know — The need-to-know principle restricts data access to only the information necessary for a user to perform their job duties. In this case, the user retrieved all customer records, but their role only requires access to their own assigned customers, meaning they accessed data beyond what is necessary. This directly violates the need-to-know concept, which is a subset of access control that limits access to specific data elements rather than entire datasets.
What should I do if I get this SSCP question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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