AWS released a practical guide for implementing on-behalf-of (OBO) token exchange for Amazon Bedrock multi-tenant agents, enabling fine-grained access control across tenants using Okta.

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Amazon Bedrock Supports On-Behalf-Of Token Exchange for Multi-Tenant Agents

Overview

FAQ

What is OBO token exchange in Amazon Bedrock?

It's a mechanism allowing Bedrock agents to obtain access tokens on behalf of users, enabling cross-tenant access control.

How does OBO work with Okta?

The guide uses Okta as identity provider for JWT claim transformations at each hop, with audience binding for security.

Is this solution suitable for MENA enterprises?

Yes, it provides advanced security for multi-tenant agents, suitable for government and private organizations in the region.

Source: AWS Machine Learning

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