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I am new to AWS and mostly work in GCP. I want to set up an external service to access AWS accounts and resources within them. GCP has Workload Identity and allows me to configure an external service to be mapped to a service account and bind roles to it. Does AWS offer something similar?

I am new to AWS and mostly work in GCP. I want to set up an external service to access AWS accounts and resources within them. GCP has Workload Identity and allows me to configure an external service to be mapped to a service account and bind roles to it. Does AWS offer something similar?

• amazon-web-services
• cloud
• workload-identity

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• 1 Are you referring to Workload Identity Federation | IAM Documentation | Google Cloud? It seems to match Identity providers and federation - AWS Identity and Access Management, which provides SSO. – John Rotenstein Commented yesterday

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Yes, AWS offers a similar mechanism to what GCP provides with Workload Identity for external service access. In AWS, you can achieve this by using IAM Roles with Web Identity Federation or IAM Roles Anywhere.

This approach allows you to grant external services or identities access to AWS resources by associating them with IAM roles.

• Create an IAM Role with a trust policy that specifies the external identity provider (IdP) using OpenID Connect (OIDC).

• Configure the external service (e.g., a workload in another cloud provider) to use the OIDC credentials to assume the IAM Role.

• The role defines the permissions the external service has within AWS.

Steps:

• Set up an OIDC identity provider in AWS IAM.
• Create an IAM Role with a trust policy for the OIDC provider.
• Attach the required AWS policies to the role.
• Configure the external service to authenticate using the OIDC provider and assume the role.