- A
CloudTrail Insights
Why wrong: Insights identifies unusual API activity, but does not validate log integrity.
- B
CloudTrail log file validation
Log file validation provides cryptographic verification of log file integrity.
- C
S3 server access logs
Why wrong: Server access logs record requests to S3, but do not validate CloudTrail logs.
- D
AWS Config rules
Why wrong: Config rules check resource configurations, not log integrity.
Question 661 of 1,000
CCSP Cloud Security Operations Practice Question
This CCSP practice question tests your understanding of cloud security operations. 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.
During a security incident in AWS, the security team suspects that an attacker has tampered with CloudTrail logs to cover their tracks. Which CloudTrail feature would the team use to verify that the log files have not been modified since they were delivered?
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
✓
CloudTrail log file validation
CloudTrail log file validation uses a SHA-256 hash chain to create a digital signature for each log file, which is stored in a separate digest file. By computing the hash of a delivered log file and comparing it to the hash in the digest, the team can detect any tampering or modification after delivery. This feature is specifically designed to verify the integrity and authenticity of CloudTrail logs.
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.
- ✗
CloudTrail Insights
Why it's wrong here
Insights identifies unusual API activity, but does not validate log integrity.
- ✓
CloudTrail log file validation
Why this is correct
Log file validation provides cryptographic verification of log file integrity.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
S3 server access logs
Why it's wrong here
Server access logs record requests to S3, but do not validate CloudTrail logs.
- ✗
AWS Config rules
Why it's wrong here
Config rules check resource configurations, not log integrity.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between features that detect suspicious activity (like CloudTrail Insights) and features that provide cryptographic integrity verification (like log file validation), so candidates may confuse the two and select Insights because it sounds like it would detect tampering.
Detailed technical explanation
How to think about this question
CloudTrail log file validation implements a hash chain where each log file's SHA-256 hash is included in a digest file, and the digest file itself is signed using the private key of a dedicated AWS key pair (the public key is available via AWS's public key endpoint). This allows anyone to verify the signature using the public key and then recompute the hash of each log file to confirm it matches the digest, ensuring end-to-end integrity even if the logs are stored in a separate S3 bucket. In a real-world scenario, an attacker who gains access to the S3 bucket could delete or modify log files, but without the private key they cannot forge the digest signature, making tampering detectable.
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 SOC analyst notices unusual lateral movement in the network at 2 AM. The IR playbook dictates: identify and contain (isolate the affected machine), then eradicate (remove the malware), then recover (restore from backup), then document. Skipping containment before eradication risks the attacker regaining access. Questions like this test the sequence and rationale of incident response phases.
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.
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Cloud Security Operations — study guide chapter
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FAQ
Questions learners often ask
What does this CCSP question test?
Cloud Security Operations — This question tests Cloud Security Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: CloudTrail log file validation — CloudTrail log file validation uses a SHA-256 hash chain to create a digital signature for each log file, which is stored in a separate digest file. By computing the hash of a delivered log file and comparing it to the hash in the digest, the team can detect any tampering or modification after delivery. This feature is specifically designed to verify the integrity and authenticity of CloudTrail logs.
What should I do if I get this CCSP 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.
About these practice questions
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Last reviewed: Jul 4, 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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