Log file validation is a feature in AWS CloudTrail that enables you to verify the integrity of the log files stored in Amazon S3. With this feature, CloudTrail creates a hash of each log entry using a digital signature and adds it to the log file. Later, you can verify the integrity by comparing th…Log file validation is a feature in AWS CloudTrail that enables you to verify the integrity of the log files stored in Amazon S3. With this feature, CloudTrail creates a hash of each log entry using a digital signature and adds it to the log file. Later, you can verify the integrity by comparing the locally computed hash and the hash stored in the log files. Log file validation helps ensure that the log files have not been tampered with or modified, providing an additional level of security and compliance for your AWS account activity monitoring.
Guide to AWS CloudTrail Log File Validation
Log File Validation is an important feature of AWS CloudTrail. What is Log File Validation? It allows you to verify the integrity and authenticity of the log files stored in your S3 bucket. If the log files are altered, deleted or tampered with in any way, log file validation will detect it. Why is it important? Log file validation provides an additional layer of security and trust. It ensures the integrity of your logs, allowing you to confidently use them for compliance and forensic investigations. How does it work? AWS CloudTrail creates a digitally signed digest file for each log file. Then, when these logs are retrieved, the digest files are used to verify that the log files have not been tampered with. Exam Tips: Answering Questions on Log File Validation 1. Understand what log file validation is and why it's essential. 2. Know how log file validation works, specifically the role of digitally signed digest files. 3. Be aware that any alteration to the log files will be detected via log file validation. 4. Remember that log file validation increases overall security and is useful for compliance and forensic investigations.
AWS Certified Solutions Architect - Log File Validation Example Questions
Test your knowledge of Log File Validation
Question 1
A developer wants to automate the processing of log files that are automatically created in an Amazon S3 bucket. How can the developer process the files without having to poll the bucket?
Question 2
A company needs to validate log files from a third-party application running on Amazon EC2 instances. How can the company store these log files for a low-cost and compliance needs?
Question 3
A company wants to monitor and analyze its AWS resource logs for improved security visibility. Which AWS service will help them achieve this?
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