Answer : D
To resolve the issue of the Lambda function failing to create the report while adhering to the principle of least privilege, follow these steps:
Identify Required Permissions:
Determine the specific AWS Security Hub and Amazon Inspector actions the Lambda function needs to perform.
Common actions include:
securityhub:Get*
securityhub:List*
securityhub:Batch*
securityhub:Describe*
Create a Custom IAM Policy:
In the AWS Management Console, navigate to the IAM service.
Create a new policy with permissions tailored to the Lambda function's needs.
Define the policy to allow the necessary actions on the specific Security Hub resource.
For example:
{
'Version': '2012-10-17',
'Statement':
[
{
'Effect': 'Allow',
'Action':
[
'securityhub:Get*',
'securityhub:List*',
'securityhub:Batch*',
'securityhub:Describe*'
],
'Resource': 'arn:aws:securityhub:us-west-2::product/aws/inspector'
}
]
}
This policy grants the Lambda function the necessary read-only permissions to interact with Security Hub and Amazon Inspector.
Attach the Policy to the Lambda Execution Role:
Identify the IAM role associated with your Lambda function.
Attach the newly created custom policy to this role.
This ensures the Lambda function has the required permissions when invoked.
Test the Lambda Function:
Invoke the Lambda function to verify it can successfully create the report without permission errors.
Monitor the function's execution to ensure it operates as expected.
Implement Least Privilege Principle:
Regularly review and adjust the permissions to ensure they remain aligned with the function's requirements.
Remove any unnecessary permissions to minimize security risks.
Defining Lambda function permissions with an execution role: This AWS documentation provides guidance on creating and managing execution roles for Lambda functions, emphasizing the importance of granting least privilege access.
AWS Documentation
Managing permissions in AWS Lambda: This resource offers insights into best practices for managing permissions, including the use of identity-based and resource-based policies to control access to Lambda resources.
AWS Documentation
Grant least privilege access: Part of the AWS Well-Architected Framework, this document discusses the principle of least privilege and provides strategies for implementing it effectively within AWS environments.
AWS Documentation
AWS managed policies for AWS Lambda: This page details the AWS managed policies available for Lambda, which can serve as a starting point for creating custom policies tailored to specific needs.
AWS Documentation
Applying the principles of least privilege in AWS Lambda: This guide explores how to apply the principle of least privilege in AWS Lambda functions, focusing on avoiding granting wildcard permissions in IAM policies.
Orchestra
By following these steps and utilizing the referenced AWS documentation, you can ensure that your Lambda function has the necessary permissions to create the report while adhering to the principle of least privilege.
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