You have an S3 bucket defined in IAM. You want to ensure that you encrypt the data before sending it across the wire. What is the best way to achieve this.
Please select:
Correct Answer:
B
One can use the IAM Encryption CLI to encrypt the data before sending it across to the S3 bucket. Options A and C are invalid because this would still mean that data is transferred in plain text Option D is invalid because you cannot just enable client side encryption for the S3 bucket For more information on Encrypting and Decrypting data, please visit the below URL:
https://IAM.amazonxom/blogs/securirv/how4o-encrvpt-and-decrypt-your-data-with-the-IAM-encryption-cl The correct answer is: Use the IAM Encryption CLI to encrypt the data first Submit your Feedback/Queries to our Experts
A Security Engineer is asked to update an AWS CloudTrail log file prefix for an existing trail. When attempting to save the change in the CloudTrail console, the
Security Engineer receives the following error message: `There is a problem with the bucket policy.` What will enable the Security Engineer to save the change?
Correct Answer:
C
The correct answer is C. Update the existing bucket policy in the Amazon S3 console with the new log file prefix, and then update the log file prefix in the CloudTrail console.
According to the AWS documentation1, a bucket policy is a resource-based policy that you can use to grant access permissions to your Amazon S3 bucket and the objects in it. Only the bucket owner can associate a policy with a bucket. The permissions attached to the bucket apply to all of the objects in the bucket that are owned by the bucket owner.
When you create a trail in CloudTrail, you can specify an existing S3 bucket or create a new one to store your log files. CloudTrail automatically creates a bucket policy for your S3 bucket that grants CloudTrail write-only access to deliver log files to your bucket. The bucket policy also grants read-only access to AWS services that you can use to view and analyze your log data, such as Amazon Athena, Amazon CloudWatch Logs, and Amazon QuickSight.
If you want to update the log file prefix for an existing trail, you must also update the existing bucket policy in the S3 console with the new log file prefix. The log file prefix is part of the resource ARN that identifies the objects in your bucket that CloudTrail can access. If you don’t update the bucket policy with the new log file prefix, CloudTrail will not be able to deliver log files to your bucket, and you will receive an error message when you try to save the change in the CloudTrail console.
The other options are incorrect because:
A. Creating a new trail with the updated log file prefix, and then deleting the original trail is not necessary and may cause data loss or inconsistency. You can simply update the existing trail and its associated bucket policy with the new log file prefix. B. Updating the existing bucket policy in the S3 console to allow the Security Engineer’s Principal to perform PutBucketPolicy is not relevant to this issue. The PutBucketPolicy action allows you to create or replace a policy on a bucket, but it does not affect CloudTrail’s ability to deliver log files to your bucket. You still need to update the existing bucket policy with the new log file prefix. D. Updating the existing bucket policy in the S3 console to allow the Security Engineer’s Principal to perform GetBucketPolicy is not relevant to this issue. The GetBucketPolicy action allows you to retrieve a policy on a bucket, but it does not affect CloudTrail’s ability to deliver log files to your bucket. You still need to update the existing bucket policy with the new log file prefix.
References:
1: Using bucket policies - Amazon Simple Storage Service
A security engineer is working with a company to design an ecommerce application. The application will run on Amazon EC2 instances that run in an Auto Scaling group behind an Application Load Balancer (ALB). The application will use an Amazon RDS DB instance for its database.
The only required connectivity from the internet is for HTTP and HTTPS traffic to the application. The application must communicate with an external payment provider that allows traffic only from a preconfigured allow list of IP addresses. The company must ensure that communications with the external payment provider are not interrupted as the environment scales.
Which combination of actions should the security engineer recommend to meet these requirements? (Select THREE.)
Correct Answer:
ACE
A company has a group of Amazon EC2 instances in a single private subnet of a VPC with no internet gateway attached. A security engineer has installed the Amazon CloudWatch agent on all instances in that subnet to capture logs from a specific application. To ensure that the logs flow securely, the company's networking team has created VPC endpoints for CloudWatch monitoring and CloudWatch logs. The networking team has attached the endpoints to the VPC.
The application is generating logs. However, when the security engineer queries CloudWatch, the logs do not appear.
Which combination of steps should the security engineer take to troubleshoot this issue? (Choose three.)
Correct Answer:
ACD
The possible steps to troubleshoot this issue are:
A. Ensure that the EC2 instance profile that is attached to the EC2 instances has permissions to create log streams and write logs. This is a necessary step because the CloudWatch agent uses the credentials from the instance profile to communicate with CloudWatch1. C. Check the CloudWatch agent configuration file on each EC2 instance to make sure that the CloudWatch agent is collecting the proper log files. This is a necessary step because the CloudWatch agent needs to know which log files to monitor and send to CloudWatch2. D. Check the VPC endpoint policies of both VPC endpoints to ensure that the EC2 instances have permissions to use them. This is a necessary step because the VPC endpoint policies control which principals can access the AWS services through the endpoints3.
The other options are incorrect because: B. Creating a metric filter on the logs is not a troubleshooting step, but a way to extract metric data from the logs. Metric filters do not affect the visibility of the logs in the AWS Management Console. E. Creating a NAT gateway in the subnet is not a solution, because the EC2 instances do not need internet access to communicate with CloudWatch through the VPC endpoints. A NAT gateway would also incur additional costs. F. Ensuring that the security groups allow all the EC2 instances to communicate with each other is not a necessary step, because the CloudWatch agent does not require log aggregation before sending. Each EC2 instance can send its own logs independently to CloudWatch.
References:
1: IAM Roles for Amazon EC2 2: CloudWatch Agent Configuration File: Logs Section 3: Using Amazon VPC Endpoints : Metric Filters : NAT Gateways : CloudWatch Agent Reference: Log Aggregation
A security engineer needs to build a solution to turn IAM CloudTrail back on in multiple IAM Regions in case it is ever turned off.
What is the MOST efficient way to implement this solution?
Correct Answer:
B
