The many ways to obtain credentials in AWS

ONE SENTENCE SUMMARY: Attackers can exploit various methods to access AWS IAM role credentials, necessitating robust detection strategies to safeguard them.
MAIN POINTS:
Attackers with cloud knowledge seek IAM role credentials in accessible resources.
AWS SDK provides multiple methods to obtain IAM credentials.
IAM user access keys may be exposed in source code or environment variables.
AWS Lambda uses environment variables for session credentials storage.
EC2 instances can have multiple IAM roles, complicating credential management.
AWS Systems Manager enables credential access through Default Host Management Configuration.
The SSM agent can access credentials without going through the metadata service.
Internet of Things uses X.509 certificates for authorization in non-AWS environments.
IAM Roles Anywhere allows non-AWS resources to access IAM roles via certificates.
AWS services like Cognito and Datasync employ unique mechanisms for accessing credentials.
TAKEAWAYS:
Understanding various AWS credential access mechanisms is crucial for cloud security.
Attackers can exploit multiple methods; defenders must stay informed about these techniques.
IAM roles can be complex, especially with multiple roles assigned to EC2.
AWS Systems Manager and hybrid activation offer alternative credential access strategies.
Regular security audits and updates on credential management are essential to protect cloud resources.