The answer is that the two scenarios best illustrating the principle of least privilege are when a user has only the permissions required to perform their job and when a user employs a separate standard account for daily tasks, elevating to an administrative account only when necessary. This concept is technically grounded in minimizing the attack surface: by granting the bare minimum access rights, you reduce the potential damage from accidental changes, malware, or insider threats, as elevated privileges are not active during routine activities. On the ISC2 Certified in Cybersecurity CC exam, this principle is frequently tested through scenarios involving user account control (UAC) in Windows or role-based access control, with a common trap being the confusion of least privilege with separation of duties—remember, least privilege is about limiting permissions, not dividing tasks. A helpful memory tip is "no more, no less": give exactly the access needed, nothing extra.
ISC2 CC Access Controls Concepts Practice Question
This CC practice question tests your understanding of access controls concepts. 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.
Which TWO scenarios best illustrate the principle of least privilege?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
An administrator uses a separate standard account for daily work and an admin account only when needed
Option C is correct because it demonstrates the principle of least privilege by using a separate standard user account for daily tasks and elevating to an administrative account only when necessary. This minimizes the attack surface by ensuring that administrative privileges are not active during routine activities, reducing the risk of accidental system changes or malware execution with elevated rights. In Windows environments, this is commonly implemented via User Account Control (UAC) and the use of a standard vs. administrator account.
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.
✗
Regular employees can install software on their workstations
Why it's wrong here
Installation rights often exceed job needs.
✗
The CEO has root access to all servers
Why it's wrong here
Root access is excessive unless required.
✓
An administrator uses a separate standard account for daily work and an admin account only when needed
Why this is correct
Running with minimal privileges reduces risk.
Clue confirmation
The clue words "best", "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
All users have full control over shared folders
Why it's wrong here
Full control violates least privilege.
✓
A user has only the permissions required to perform their job
Why this is correct
Core definition of least privilege.
Clue confirmation
The clue words "best", "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
ISC2 often tests the misconception that 'least privilege' means giving users the minimum permissions to do their job, but candidates may confuse it with 'separation of duties' or think that granting root access to executives is acceptable because they are trusted, which is a trap.
Detailed technical explanation
How to think about this question
The principle of least privilege is a core access control concept that maps to the 'need-to-know' and 'need-to-do' basis, often enforced via Role-Based Access Control (RBAC) or mandatory access controls (MAC). Under the hood, operating systems like Windows use security identifiers (SIDs) and access tokens to determine effective permissions; a standard user token lacks the SeTakeOwnershipPrivilege or SeBackupPrivilege that an admin token holds. In a real-world scenario, a compromised standard account cannot be used to install a rootkit or modify system files, whereas a full-time admin account would allow such actions immediately.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CC question in full detail.
Access Controls Concepts — This question tests Access Controls Concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: An administrator uses a separate standard account for daily work and an admin account only when needed — Option C is correct because it demonstrates the principle of least privilege by using a separate standard user account for daily tasks and elevating to an administrative account only when necessary. This minimizes the attack surface by ensuring that administrative privileges are not active during routine activities, reducing the risk of accidental system changes or malware execution with elevated rights. In Windows environments, this is commonly implemented via User Account Control (UAC) and the use of a standard vs. administrator account.
What should I do if I get this CC question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best", "least". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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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