During a security audit of a Service team’s application, a Solutions Architect discovers that a username and password for an Amazon RDS database and a set of AWS IAM user credentials can be viewed in the AWS Lambda function code. The Lambda function uses the username and password to run queries on the database, and it uses the IAM credentials to call AWS services in a separate management account. The Solutions Architect is concerned that the credentials could grant inappropriate access to anyone who can view the Lambda code. The management account and the Service team’s account are in separate AWS Organizations organizational units (OUs).
Which combination of changes should the Solutions Architect make to improve the solution’s security? (Choose two.)

Question

During a security audit of a Service team’s application, a Solutions Architect discovers that a username and password for an Amazon RDS database and a set of AWS IAM user credentials can be viewed in the AWS Lambda function code. The Lambda function uses the username and password to run queries on the database, and it uses the IAM credentials to call AWS services in a separate management account. The Solutions Architect is concerned that the credentials could grant inappropriate access to anyone who can view the Lambda code. The management account and the Service team’s account are in separate AWS Organizations organizational units (OUs).

Which combination of changes should the Solutions Architect make to improve the solution’s security? (Choose two.)

Ibrahim Ramku · Accepted Answer

Configure Lambda to use the stored database credentials in AWS Secrets Manager and enable automatic rotation.

Ibrahim Ramku · Accepted Answer

Use an SCP on the management account’s OU to prevent IAM users from accessing resources in the Service team’s account.

Ibrahim Ramku · Answer

Configure Lambda to assume a role in the management account with appropriate access to AWS.

Ibrahim Ramku · Answer

Create a Lambda function to rotate the credentials every hour by deploying a new Lambda version with the updated credentials.

Ibrahim Ramku · Answer

Enable AWS Shield Advanced on the management account to shield sensitive resources from unauthorized IAM access.

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