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Question 407 - SOA-C02 discussion

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The SysOps administrator needs to complete the KMS key policy for least privilege read access for the DataEngineer role to decrypt S3 objects encrypted with a KMS key.

A.

'kms:ReEncrypt', 'kms:GenerateDataKey*', 'kms:Encrypt', 'kms:DescribeKey'

Answers
A.

'kms:ReEncrypt', 'kms:GenerateDataKey*', 'kms:Encrypt', 'kms:DescribeKey'

B.

'kms:ListAliases', 'kms:GetKeyPolicy', 'kms:Describe*', 'kms:Decrypt'

Answers
B.

'kms:ListAliases', 'kms:GetKeyPolicy', 'kms:Describe*', 'kms:Decrypt'

C.

'kms:ListAliases', 'kms:DescribeKey', 'kms:Decrypt'

Answers
C.

'kms:ListAliases', 'kms:DescribeKey', 'kms:Decrypt'

D.

'kms:Update*', 'kms:TagResource', 'kms:Revoke*', 'kms:Put*', 'kms:List*', 'kms:Get*', 'kms:Enable*', 'kms:Disable*', 'kms:Describe*', 'kms:Delete*', 'kms:Create*', 'kms:CancelKeyDeletion'

Answers
D.

'kms:Update*', 'kms:TagResource', 'kms:Revoke*', 'kms:Put*', 'kms:List*', 'kms:Get*', 'kms:Enable*', 'kms:Disable*', 'kms:Describe*', 'kms:Delete*', 'kms:Create*', 'kms:CancelKeyDeletion'

Suggested answer: C

Explanation:

To enable decryption of objects, the role only requires minimal permissions with least privilege:

kms

: Necessary for reading and decrypting the data encrypted with KMS.

kms

: Allows the role to check key properties, confirming it's the correct key for decryption.

kms

: Useful if multiple keys are in use and validation against an alias is needed.

These permissions are sufficient for decryption without granting additional permissions like encryption or key management.

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asked 06/11/2024
Stephanie Scheffers
42 questions
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