Cloud Platforms Commoditizing Agent IAM

The main risk is distribution, not raw technology. If agent identity becomes a built in checkbox inside Bedrock, Entra, or Vertex, many buyers will prefer the tool already attached to their cloud and existing IAM stack. That matters because the everyday work here is issuing agent credentials, limiting which tools an agent can call, and logging every action, which are exactly the controls big platforms already sell to security teams.

• AWS has already moved in this direction. Bedrock AgentCore Identity is built for AI agents, supports access to AWS resources and third party tools, and now sits alongside AgentCore policy and gateway features. For teams already building on AWS, that turns agent IAM into a native part of the runtime instead of a separate purchase.
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• Microsoft is following the same path. Entra Agent ID and Agent 365 extend Microsoft's existing identity controls, least privilege rules, and governance workflows to agents. That is powerful because enterprises already use Entra for employees and apps, so adding agents can look like one more object in the same admin console.
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• Google and SailPoint show the broader pattern. Vertex AI Agent Engine has agent identity support, while SailPoint wraps agents into the same governance layer used for human and machine identities across AWS, Azure, and Google Cloud. That leaves room for a startup only if it is faster, more cross cloud, or better at low latency authorization than bundled options.
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This market is heading toward embedded controls at the platform layer, with independent vendors surviving by becoming the neutral layer across clouds, models, and tools. The winning position is not basic credential issuance. It is being the system enterprises use when one agent touches Salesforce, GitHub, Snowflake, and multiple clouds in the same workflow.