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Answer: Revoke all versions of the signing profile assigned to the developer.
The correct answer is A. Revoke all versions of the signing profile assigned to the developer. AWS Signer allows you to sign your code to ensure its integrity and authenticity. By revoking the signing profile, you ensure that any code signed with that profile is marked as invalid and cannot be deployed. This is the primary method provided by AWS for invalidating code signed by a specific entity or user. This solution directly addresses the requirement to prevent the developer's code from being deployed to the Lambda functions by making the signature provided by that developer unusable.
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A company utilizes AWS Signer for all its AWS Lambda functions. Recently, a developer left the company, and the company aims to prevent any code authored by this developer from being deployed to the Lambda functions. What solution should be implemented to achieve this?
A
Revoke all versions of the signing profile assigned to the developer.
B
Examine the developer's IAM roles and remove all permissions that grant access to Signer.
C
Re-encrypt all source code with a new AWS Key Management Service (AWS KMS) key.
D
Use Amazon CodeGuru to profile all the code that the Lambda functions use.