Learn the most secure and effective way to grant a team of developers access to AWS resources while preventing unauthorized access to sensitive data.
Table of Contents
Question
A company needs to grant a team of developers access to the company’s AWS resources. The company must maintain a high level of security for the resources.
The company requires an access control solution that will prevent unauthorized access to the sensitive data.
Which solution will meet these requirements?
A. Share the IAM user credentials for each development team member with the rest of the team to simplify access management and to streamline development workflows.
B. Define IAM roles that have fine-grained permissions based on the principle of least privilege. Assign an IAM role to each developer.
C. Create IAM access keys to grant programmatic access to AWS resources. Allow only developers to interact with AWS resources through API calls by using the access keys.
D. Create an AWS Cognito user pool. Grant developers access to AWS resources by using the user pool.
Answer
The best solution to meet the company’s requirements of granting developers access to AWS resources while maintaining a high level of security and preventing unauthorized access is:
B. Define IAM roles that have fine-grained permissions based on the principle of least privilege. Assign an IAM role to each developer.
Explanation
IAM roles are the recommended way to grant access to AWS resources for users, applications, and services. Roles allow you to define a set of permissions that determine what actions can be performed on which resources, without the need to share long-term access keys.
By creating IAM roles with fine-grained permissions based on the principle of least privilege, you ensure that each developer has access to only the specific resources and actions they need to perform their job. This minimizes the risk of accidental or malicious misuse of permissions.
Assigning an individual IAM role to each developer provides accountability and allows for easy auditing and revocation of access if needed. Roles can also be used to enforce separation of duties and implement granular access controls.
The other options are not recommended for the following reasons:
A. Sharing IAM user credentials violates security best practices, as it does not provide individual accountability and makes it difficult to revoke access for a single user. If one user’s credentials are compromised, it puts all resources at risk.
C. Using access keys for programmatic access is less secure than using IAM roles, as access keys can be easily leaked or compromised. Additionally, managing access keys for individual developers can become cumbersome and error-prone.
D. AWS Cognito is primarily used for managing user authentication and authorization for mobile and web applications, not for granting access to AWS resources for developers. While Cognito can be integrated with IAM, it is not the most straightforward or appropriate solution for this use case.
In summary, defining fine-grained IAM roles based on least privilege and assigning them to individual developers is the most secure and manageable way to grant access to AWS resources while preventing unauthorized access to sensitive data.
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