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Question 356 - SAP-C01 discussion

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A medical company is building a data lake on Amazon S3. The data must be encrypted in transit and at rest. The data must remain protected even if S3 bucket is inadvertently made public. Which combination of steps will meet these requirements? (Choose three.)

A.
Ensure that each S3 bucket has a bucket policy that includes a Deny statement if the aws:SecureTransport condition is not present.
Answers
A.
Ensure that each S3 bucket has a bucket policy that includes a Deny statement if the aws:SecureTransport condition is not present.
B.
Create a CMK in AWS Key Management Service (AWS KMS). Turn on server-side encryption (SSE) on the S3 buckets, select SSE-KMS for the encryption type, and use the CMK as the key.
Answers
B.
Create a CMK in AWS Key Management Service (AWS KMS). Turn on server-side encryption (SSE) on the S3 buckets, select SSE-KMS for the encryption type, and use the CMK as the key.
C.
Ensure that each S3 bucket has a bucket policy that includes a Deny statement for PutObject actions if the request does not include an “s3:x-amz-server-side-encryption”:“aws:kms” condition.
Answers
C.
Ensure that each S3 bucket has a bucket policy that includes a Deny statement for PutObject actions if the request does not include an “s3:x-amz-server-side-encryption”:“aws:kms” condition.
D.
Turn on server-side encryption (SSE) on the S3 buckets and select SSE-S3 for the encryption type.
Answers
D.
Turn on server-side encryption (SSE) on the S3 buckets and select SSE-S3 for the encryption type.
E.
Ensure that each S3 bucket has a bucket policy that includes a Deny statement for PutObject actions if the request does not include an “s3:x-amz-server-side-encryption”:“AES256” condition.
Answers
E.
Ensure that each S3 bucket has a bucket policy that includes a Deny statement for PutObject actions if the request does not include an “s3:x-amz-server-side-encryption”:“AES256” condition.
F.
Turn on AWS Config. Use the s3-bucket-public-read-prohibited, s3-bucket-public-write-prohibited, and s3-bucket-sslrequests- only AWS Config managed rules to monitor the S3 buckets.
Answers
F.
Turn on AWS Config. Use the s3-bucket-public-read-prohibited, s3-bucket-public-write-prohibited, and s3-bucket-sslrequests- only AWS Config managed rules to monitor the S3 buckets.
Suggested answer: A, B, C

Explanation:

To determine HTTP or HTTPS requests in a bucket policy, use a condition that checks for the key "aws:SecureTransport". When this key is true, then request is sent through HTTPS. To comply with the s3bucket-ssl-requests-only rule, create abucket policy that explicitly denies access when the request meets the condition "aws:SecureTransport": "false". This policyexplicitly denies access to HTTP requests.

When you create an object, you can specify the use of server-side encryption with AWS Key Management Service (AWS KMS) keys to encrypt your data. This is true when you are either uploading a new object or copying an existing object. This encryption is known as SSE-KMS.

Enforce object encryption, create an S3 bucket policy that denies any S3 Put request that does not include the x-amz-serverside- encryption header.

Reference: https://aws.amazon.com/premiumsupport/knowledge-center/s3-bucket-policy-for-config-rule/

https://docs.aws.amazon.com/AmazonS3/latest/userguide/specifying-kms-encryption.html

https://aws.amazon.com/blogs/security/how-to-prevent-uploads-of-unencrypted-objects-to-amazon-s3/

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asked 16/09/2024
Nosh Shah
37 questions
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