- (Exam Topic 3)
One of your company's EC2 Instances have been compromised. The company has strict po thorough investigation on finding the culprit for the security breach. What would you do in from the options given
below. Please select:
Correct Answer:ABC
Some of the important aspects in such a situation are
1) First isolate the instance so that no further security harm can occur on other AWS resources
2) Take a snapshot of the EBS volume for further investigation. This is incase if you need to shutdown the initial instance and do a separate investigation on the data
3) Next is Option C. This indicates that we have already got logs and we need to make sure that it is stored securely so that n unauthorised person can access it and manipulate it.
Option D and E are invalid because they could have adverse effects for the other IAM users. For more information on adopting a security framework, please refer to below URL https://d1 .awsstatic.com/whitepapers/compliance/NIST Cybersecurity Framework
Note:
In the question we have been asked to take actions to find the culprit and to help the investigation or to further reduce the damage that has happened due to the security breach. So by keeping logs secure is one way of helping the investigation.
The correct answers are: Take a snapshot of the EBS volume. Isolate the machine from the network. Make sure that logs are stored securely for auditing and troubleshooting purpose
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- (Exam Topic 1)
A company wants to encrypt data locally while meeting regulatory requirements related to key exhaustion. The encryption key can be no more than 10 days old or encrypt more than 2" 16 objects Any encryption key must be generated on a FlPS-validated hardware security module (HSM). The company is cost-conscious, as plans to upload an average of 100 objects to Amazon S3 each second for sustained operations across 5 data producers
When approach MOST efficiently meets the company's needs?
Correct Answer:A
- (Exam Topic 3)
An auditor needs access to logs that record all API events on AWS. The auditor only needs read-only access to the log files and does not need access to each AWS account. The company has multiple AWS accounts, and the auditor needs access to all the logs for all the accounts. What is the best way to configure access for the auditor to view event logs from all accounts? Choose the correct answer from the options below Please select:
Correct Answer:D
Given the current requirements, assume the method of "least privilege" security design and only allow the auditor access to the minimum amount of AWS resources as possibli
AWS CloudTrail is a service that enables governance, compliance, operational auditing, and risk auditing of your AWS account. With CloudTrail, you can log, continuously monitor, and retain events related to API calls across your AWS infrastructure. CloudTrail provides a history of AWS API calls for your account including API calls made through the AWS Management Console, AWS SDKs, command line tools, and other AWS services. This history simplifies security analysis, resource change tracking, and troubleshooting only be granted access in one location
Option Option A is incorrect since the auditor should B is incorrect since consolidated billing is not a key requirement as part of the question
Option C is incorrect since there is not consolidated logging
For more information on Cloudtrail please refer to the below URL: https://aws.amazon.com/cloudtraiL
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The correct answer is: Configure the CloudTrail service in each AWS account and have the logs delivered to a single AWS bud in the primary account and grant the auditor access to that single bucket in the primary account.
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- (Exam Topic 1)
A company’s security engineer is configuring Amazon S3 permissions to ban all current and future public buckets However, the company hosts several websites directly off S3 buckets with public access enabled
The engineer needs to bock me pubic S3 buckets without causing any outages on me easting websites The
engineer has set up an Amazon CloudFrom distribution (or each website Which set or steps should the security engineer implement next?
Correct Answer:A
- (Exam Topic 3)
You are building a large-scale confidential documentation web server on AWSand all of the documentation for it will be stored on S3. One of the requirements is that it cannot be publicly accessible from S3 directly, and you will need to use Cloud Front to accomplish this. Which of the methods listed below would satisfy the requirements as outlined? Choose an answer from the options below
Please select:
Correct Answer:B
If you want to use CloudFront signed URLs or signed cookies to provide access to objects in your Amazon S3 bucket you probably also want to prevent users from accessing your Amazon S3 objects using Amazon S3 URLs. If users access your objects directly in Amazon S3, they bypass the controls provided by CloudFront signed URLs or signed cookies, for example, control over the date and time that a user can no longer access your content and control over which IP addresses can be used to access content. In addition, if user's access objects both through CloudFront and directly by using Amazon S3 URLs, CloudFront ace logs are less useful because they're incomplete.
Option A is invalid because you need to create a Origin Access Identity for Cloudfront and not an IAM user Option C and D are invalid because using policies will not help fulfil the requirement
For more information on Origin Access Identity please see the below Link:
http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/private-content-restrictine-access-to-s3.
The correct answer is: Create an Origin Access Identity (OAI) for CloudFront and grant access to the objects in your S3 bucket to that OAI.
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