The first time you try to wire AWS IAM into HashiCorp Boundary, it feels like you’re holding two live wires and hoping they meet without burning the house down.
Boundary is built for secure, identity-aware access. AWS is built for scale. When you pair them, you cut out static credentials, manual key rotation, and clumsy SSH tunnels. The link between them—configuring AWS as an auth method in Boundary—turns your access layer into something both safer and faster.
The key is mapping AWS IAM roles and policies to Boundary accounts and scopes. With AWS IAM, you define who gets what. With Boundary, you decide where and how they connect. Together, they create just-in-time access without leaking secrets or leaving ports open.
To get started, deploy Boundary in your preferred environment—local, containerized, or managed. Then create an AWS IAM role with permissions to assume a specific policy. Use that role’s ARN in Boundary when you add AWS as an authentication method. From there, you bind IAM users or federated identities to Boundary roles so they can log in using AWS credentials they already have.
Once authenticated, Boundary brokers the connection to your target—whether it’s an RDS instance, an EC2 host, or something inside a VPC. All without storing static access keys on your laptop or exposing the target to the public internet. Session recording, credential brokering, and audited logs come built in.
The payoff is big: reduced attack surface, granular access control, and workflows your engineers won’t hate. No VPN gymnastics. No credential sprawl.
If you want to see AWS and Boundary working together without wading through a pile of docs, spin it up with hoop.dev. You’ll have a secure, AWS-integrated Boundary environment running in minutes, live and ready to use.