This CCSP practice question tests your understanding of cloud platform and infrastructure security. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 cloud administrator notices that a storage bucket containing sensitive data is publicly accessible. What is the most likely misconfiguration?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
The bucket has logging disabled.
Why wrong: Logging is a detective control, not a cause of public access.
The bucket's ACLs are too permissive.
Permissive ACLs often cause unintended public access.
The bucket is using server-side encryption.
Why wrong: Encryption does not affect access permissions.
The bucket is versioned.
Why wrong: Versioning does not control access.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
The bucket's ACLs are too permissive.
The most likely misconfiguration is that the bucket's ACLs are too permissive, granting public read or write access to the storage bucket. In cloud platforms like AWS S3 or Azure Blob Storage, bucket ACLs or bucket policies can be set to allow public access, which directly exposes sensitive data. Disabling logging, using server-side encryption, or enabling versioning do not inherently make a bucket publicly accessible.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
The bucket has logging disabled.
Why it's wrong here
Logging is a detective control, not a cause of public access.
The bucket's ACLs are too permissive.
Why this is correct
Permissive ACLs often cause unintended public access.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
The bucket is using server-side encryption.
Why it's wrong here
Encryption does not affect access permissions.
The bucket is versioned.
Why it's wrong here
Versioning does not control access.
Common exam traps
ISC2 often tests the misconception that security features like encryption or logging directly prevent unauthorized access, when in fact access control misconfigurations (like permissive ACLs) are the root cause of public exposure.
Detailed technical explanation
In AWS S3, public access can be granted via bucket ACLs (e.g., granting 'AllUsers' or 'AuthenticatedUsers' access) or bucket policies with a Principal of '*'. The 'Block Public Access' settings in S3 can override these, but if not enabled, a permissive ACL or policy will expose the bucket. In Azure Blob Storage, a similar misconfiguration occurs when the 'Public access level' is set to 'Blob' or 'Container' instead of 'Private'.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Cloud Platform and Infrastructure Security — This question tests Cloud Platform and Infrastructure Security — Read the scenario before looking for a memorised answer..
The correct answer is: The bucket's ACLs are too permissive. — The most likely misconfiguration is that the bucket's ACLs are too permissive, granting public read or write access to the storage bucket. In cloud platforms like AWS S3 or Azure Blob Storage, bucket ACLs or bucket policies can be set to allow public access, which directly exposes sensitive data. Disabling logging, using server-side encryption, or enabling versioning do not inherently make a bucket publicly accessible.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This CCSP 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 CCSP exam.
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