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CS0-003 Practice Question: A cloud posture scan finds a storage bucket with…
A cloud posture scan finds a storage bucket with public read access containing customer exports. What should the team do first? For business prioritization, Which recommendation gives the best risk-based order of work?
⚠ Common exam trap
Watch out — candidates often choose to rotate passwords (Option D) as a generic security response, but the question specifically tests the ability to prioritize containment of the exposed resource over unrelated credential changes.
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
✓
Restrict public access and determine whether sensitive data was accessed
The immediate priority is to contain the data exposure by restricting public access to the storage bucket, then investigate whether sensitive data was actually accessed by unauthorized parties. This aligns with the vulnerability management principle of 'contain first, investigate second' and addresses the risk of data exfiltration without waiting for a scheduled review or performing unrelated actions.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Delete all audit logs to reduce liability
Why it's wrong here
Deleting audit logs destroys evidence needed for breach investigation and notification, and does nothing to close the public bucket. Log retention is tempting as a liability shield, but it is the correct action only when logs contain no investigative value; here they are essential forensic records.
- ✗
Wait for the next quarterly review
Why it's wrong here
Deferring to the quarterly review leaves customer exports publicly readable for months, breaching breach-notification timelines. Scheduled reviews suit low-severity configuration drift, not active exposure of personal data, which demands immediate containment and access removal before any governance cycle.
- ✓
Restrict public access and determine whether sensitive data was accessed
Why this is correct
Restricting public access immediately closes the exposure, satisfying the containment requirement, while determining whether sensitive data was accessed establishes breach scope and notification duties. This pairing addresses both the technical misconfiguration and the regulatory consequence, making it the highest-priority risk-based action before remediation of lower-severity findings.
- ✗
Rotate database administrator passwords only
Why it's wrong here
Rotating DBA passwords leaves the publicly readable bucket exposing customer exports, so the actual data leak persists. Credential rotation is tempting because it limits lateral movement after compromise, and would be correct if the finding were stale or shared database credentials rather than open object storage.
Go deeper
Related to this question
Learn chapter
Identity-Based Attack Patterns: Pass-the-Hash, Kerberoasting
Key term
Vulnerability management
Vulnerability management is the continuous process of identifying, classifying, prioritizing, and remediating security weaknesses in an organization's IT environment.
Key term
Risk
Risk is the possibility that an event or action will negatively affect an organization's ability to achieve its goals, often measured in terms of likelihood and impact.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CS0-004 practice question is part of Courseiva's free CompTIA 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 CS0-004 exam.