A security team is working on a solution that will use Amazon EventBridge (Amazon CloudWatch Events) to
monitor new Amazon S3 objects. The solution will monitor for public access and for changes to any S3 bucket
policy or setting that result in public access. The security team configures EventBridge to watch for specific
API calls that are logged from AWS CloudTrail. EventBridge has an action to send an email notification
through Amazon Simple Notification Service (Amazon SNS) to the security team immediately with details of
the API call.
Specifically, the security team wants EventBridge to watch for the s3:PutObjectAcl, s3:DeleteBucketPolicy,
and s3:PutBucketPolicy API invocation logs from CloudTrail. While developing the solution in a single
account, the security team discovers that the s3:PutObjectAcl API call does not invoke an EventBridge event.
However, the s3:DeleteBucketPolicy API call and the s3:PutBucketPolicy API call do invoke an event.
The security team has enabled CloudTrail for AWS management events with a basic configuration in the AWS
Region in which EventBridge is being tested. Verification of the EventBridge event pattern indicates that the
pattern is set up correctly. The security team must implement a solution so that the s3:PutObjectAcl API call
will invoke an EventBridge event. The solution must not generate false notifications.
Which solution will meet these requirements?
A Security Engineer is troubleshooting an issue with a company's custom logging application. The application
logs are written to an Amazon S3 bucket with event notifications enabled to send events lo an Amazon SNS
topic. All logs are encrypted at rest using an IAM KMS CMK. The SNS topic is subscribed to an encrypted
Amazon SQS queue. The logging application polls the queue for new messages that contain metadata about
the S3 object. The application then reads the content of the object from the S3 bucket for indexing.
The Logging team reported that Amazon CloudWatch metrics for the number of messages sent or received is
showing zero. No togs are being received.
What should the Security Engineer do to troubleshoot this issue?
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