AWS - Identity and Access Management
To grant a Lambda function the minimum necessary permissions to read from a DynamoDB table, which IAM feature should you use?
To grant a Lambda function the minimum necessary permissions to read from a DynamoDB table, which IAM feature should you use?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Lambda permissions
Lambda functions assume IAM roles to get permissions.Step 2: Apply least privilege principle
Attach a role with only necessary read permissions.Final Answer:
Attach an IAM role with a policy granting read permissions to the Lambda function -> Option DQuick Check:
Use IAM roles for Lambda permissions [OK]
Quick Trick: Use IAM roles, not users, for Lambda permissions [OK]
Common Mistakes:
MISTAKES- Embedding IAM user credentials in code
- Using overly permissive policies like AdministratorAccess
- Relying solely on resource-based policies
Master "Identity and Access Management" in AWS
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