Workspace delegation grants control through the collaboration layer, such as publishing, sharing, or app authentication, while governed agent identity ties the agent to a distinct, inspectable identity and policy path. The first manages who can invoke the agent. The second manages how the agent is recognised and constrained when it acts.
How workspace delegation and governed agent identity differ in practice
Workspace delegation is a collaboration-layer permission model. It lets a workspace owner or operator grant an agent the ability to be invoked, shared, published, or connected through the surrounding app or tenant controls. Governed agent identity is stronger and more specific: the agent has a distinct identity that can be registered, inspected, tracked, and constrained through policy as it operates.
The practical difference is that delegation answers, “who is allowed to start or use this agent?” while governed identity answers, “which agent is this, what authority does it have, and how is that authority enforced over time?” That distinction matters when the same agent can move across apps, workspaces, environments, or users.
Delegation is usually narrower at the point of access and broader in its trust assumptions. It can be enough for simple collaboration or app sharing, but it often relies on the surrounding platform to enforce boundaries. Governed identity makes the agent itself part of the security model, which gives you better traceability, policy enforcement, and lifecycle control.
What changes when the agent itself becomes an identity object?
Once the agent is treated as an identity, security moves from “can this workspace expose the agent?” to “can this agent prove who it is and stay within its approved role?” That change affects registration, authentication, authorization, ownership, and revocation. It also reduces ambiguity when the same agent is used in multiple contexts or chained into other automations.
That is why governed identity is the better fit when the agent can take actions on behalf of a user, interact with tools, or hold credentials. A workspace-only model may allow use, but it does not necessarily tell you whether the agent’s runtime actions are attributable to a stable principal. A governed model does.
A useful way to think about the split is that delegation manages invocation paths, while governed identity manages principalhood. Delegation is about access to the workspace surface; governed identity is about the agent’s own standing in the control plane.
Where the boundary matters for security and operations
The boundary matters most when you need to answer for a specific action after the fact. If an agent is only governed by workspace sharing, it can be harder to separate the user who enabled it from the agent that executed the action. If it has governed identity, you can attach policy, logging, approval, and retirement to the agent itself, which improves auditability and containment.
It also matters for least privilege. A delegated workspace permission can be convenient, but it may over-expose the agent if the workspace is large or if membership changes frequently. Governed identity lets you scope what the agent can do independent of workspace size, which is better when authority should be bounded by role rather than by collaboration group.
In practice, the right pattern depends on blast radius. Use delegation for lightweight enablement where the workspace is the control boundary. Use governed identity when the agent needs durable authority, cross-workspace behavior, or tool access that must be individually governed and revoked.
Risk and Threat Considerations
Workspace delegation can blur accountability if the platform treats the workspace as the main trust boundary. That creates exposure when an agent inherits more access than intended, or when a shared workspace gives the agent a wider blast radius than its task requires.
Failure mechanism: A delegated agent may be invoked through a permissive collaboration layer, then act with authority that is broader or less inspectable than the task actually needs. If the agent’s identity is not distinct and policy-bound, revocation, attribution, and abuse detection become weaker.
Impact: Over-broad invocation paths can lead to unauthorized actions, poor auditability, and delayed containment if the agent is misused, compromised, or repurposed outside its intended scope.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
OWASP Non-Human Identity Top 10 addresses the attack and risk surface, while NIST SP 800-53 Rev 5 sets the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-04 — Insecure Authentication | Agent identity depends on sound authentication and proof of the principal. |
| NHI-05 — Overprivileged NHI | Governed identity is needed to keep agent authority narrowly scoped. | |
| NHI-01 — Improper Offboarding | Governed identity requires clean retirement when an agent is removed or replaced. | |
| Recommendation — Bind each agent to strong, inspectable authentication and rotate any credentials used to prove it. Limit agent permissions to the smallest role that still supports the task. Revoke and retire agent identities promptly when their purpose ends. | ||
| NIST SP 800-53 Rev 5 | IA-9 — Identification and Authentication (Service and Organization Users) | Agent identity is a non-human principal authenticating to systems and tools. |
| AC-6 — Least Privilege | The question turns on how much authority the agent should be allowed to exercise. | |
| AU-2 — Event Logging | Distinct agent identity improves attribution and auditability of actions. | |
| Recommendation — Authenticate agent principals separately from human users and manage their credentials explicitly. Constrain each agent to the minimum access needed for its approved actions. Log agent actions with identity context so you can trace who or what acted. | ||
Practitioner Guidance
What to verify: Check whether the agent’s authority is anchored to its own identity or only to workspace membership. If the answer is “only workspace,” confirm that sharing, publishing, and app-authentication settings still keep the agent’s effective permissions tightly bounded.
Decision rule: If you need traceable action, cross-context use, or independent revocation, treat governed identity as the default. If the agent is just a lightweight collaboration feature, delegation may be sufficient, but only when the workspace itself is already a trusted control boundary.
Practitioner takeaway: Delegation controls access to the agent; governed identity controls the agent’s authority. When the action itself matters, the second model is usually the safer one because it gives you clearer policy, better attribution, and a cleaner revocation path.
Related resources from NHI Mgmt Group
- What is the difference between agent identity and user delegation in API access?
- What is the difference between user identity and actor identity in agent delegation?
- What is the difference between human identity governance and AI agent governance?
- What is the difference between scanning AI-generated code and governing AI agent identity?