hardMultiple ChoiceObjective-mapped
ISC2 CC Practice Question: Refer to the exhibit
Exhibit
Refer to the exhibit.
```
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "s3:GetObject",
"Resource": "arn:aws:s3:::example-bucket/*"
}
]
}
```
A security analyst reviews this AWS S3 bucket policy. The policy currently allows anyone to read objects. Which change would implement the principle of least privilege?Refer to the exhibit. ```
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "s3:GetObject",
"Resource": "arn:aws:s3:::example-bucket/*"
}
]
}``` A security analyst reviews this AWS S3 bucket policy. The policy currently allows anyone to read objects. Which change would implement the principle of least privilege?
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
✓
Add a principal element with specific user ARNs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Remove the policy entirely.
Why it's wrong here
Removing the policy would deny all access (default deny), but does not grant necessary access to authorized users; least privilege requires granting minimal access, not zero access.
- ✓
Add a principal element with specific user ARNs.
Why this is correct
Adding a principal restricts access to specific authorized users, implementing least privilege by limiting who can act.
- ✗
Add a condition to require MFA.
Why it's wrong here
MFA adds a security layer but still allows anyone to read if they authenticate; it does not restrict the principals.
- ✗
Change "Allow" to "Deny".
Why it's wrong here
This would deny all access, which may break legitimate use and does not provide targeted permissions.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
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.
Key term
Access control
Access control is the security practice of determining who or what is allowed to view, use, or enter a resource, and under what conditions.
About these practice questions
One of 976 original CC 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 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.