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Question 19 - SCS-C02 discussion

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Your CTO thinks your IAM account was hacked. What is the only way to know for certain if there was unauthorized access and what they did, assuming your hackers are very sophisticated IAM engineers and doing everything they can to cover their tracks?

Please select:

A.
Use CloudTrail Log File Integrity Validation.
Answers
A.
Use CloudTrail Log File Integrity Validation.
B.
Use IAM Config SNS Subscriptions and process events in real time.
Answers
B.
Use IAM Config SNS Subscriptions and process events in real time.
C.
Use CloudTrail backed up to IAM S3 and Glacier.
Answers
C.
Use CloudTrail backed up to IAM S3 and Glacier.
D.
Use IAM Config Timeline forensics.
Answers
D.
Use IAM Config Timeline forensics.
Suggested answer: A

Explanation:

The IAM Documentation mentions the following

To determine whether a log file was modified, deleted, or unchanged after CloudTrail delivered it you can use CloudTrail log file integrity validation. This feature is built using industry standard algorithms: SHA-256 for hashing and SHA-256 with RSA for digital signing. This makes it computationally infeasible to modify, delete or forge CloudTrail log files without detection. You can use the IAM CLI to validate the files in the location where CloudTrail delivered them

Validated log files are invaluable in security and forensic investigations. For example, a validated log file enables you to assert positively that the log file itself has not changed, or that particular user credentials performed specific API activity. The CloudTrail log file integrity validation process also lets you know if a log file has been deleted or changed, or assert positively that no log files were delivered to your account during a given period of time.

Options B.C and D is invalid because you need to check for log File Integrity Validation for cloudtrail logs

For more information on Cloudtrail log file validation, please visit the below URL:

http://docs.IAM.amazon.com/IAMcloudtrail/latest/userguide/cloudtrail-log-file-validation-intro.html

The correct answer is: Use CloudTrail Log File Integrity Validation.

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asked 16/09/2024
Carlotta Agape
39 questions
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