Delegation Graph

What a delegation graph shows

A delegation graph is more than a record of who called whom. It captures the chain of handoffs that carried payloads, instructions, or context across systems, so you can see where authority was transferred, transformed, or assumed. That matters because the visible source may still be valid while the effective actor has changed several steps earlier.

For practitioners, the graph is the evidence model behind delegated execution. It helps distinguish a direct action from an action taken on behalf of another principal, and it makes it easier to reason about where responsibility starts and ends when systems relay work across trust boundaries.

Why delegation edges change security meaning

Each edge in the graph can alter jurisdiction, processor identity, data handling obligations, and accountability. A handoff may preserve authentication but still change which system is now responsible for the request, which context is attached to it, and which downstream controls should apply. In other words, the graph is about authority transfer, not just transport.

This is why delegation graphs are important in multi-system and agentic workflows. A chain that looks benign at the first hop can become materially different once a system forwards context, token material, or instructions into another runtime. The security question is not only “who authenticated first?” but also “who is acting now, under whose authority, and with what residual trust?”

How delegation graphs support review and accountability

A useful delegation graph lets teams reconstruct the path of a request across agents, services, and brokers. That gives reviewers a way to answer practical questions such as whether the final system was expected to receive the data, whether the delegation was intentional, and whether the chain stayed within policy throughout the handoff sequence.

The graph is also a governance artifact. It can support audit discussions by showing where a delegated path began, where it branched, and where control over the request changed hands. When the same work can be delegated in more than one way, the graph helps compare the actual path taken against the intended control design.

Why incomplete delegation visibility is dangerous

Delegation failures often happen when teams can see the initial authentication event but not the full chain of onward delegation. That creates blind spots around overreach, stale authority, and unintended propagation of context. If downstream systems trust the relay without re-evaluating scope, an apparently valid flow can still produce an excessive or misplaced action.

Graphs are especially useful when payloads or instructions are replayed, forwarded, or repackaged by intermediaries. In those cases, the original source may appear trustworthy while the effective authority has drifted. The risk is not only unauthorized access, but also unclear ownership when something goes wrong after the handoff.

Risk and Threat Considerations

Delegation graphs matter because abuse often happens at the handoff points, where one system inherits context from another without a fresh decision about scope. That can hide over-delegation, stale tokens, confused responsibility, or unreviewed onward forwarding.

Failure mechanism: An attacker, misconfigured integration, or overtrusted relay can exploit an accepted delegation path to carry valid-looking context farther than intended, then act under inherited authority that no longer matches the original control intent.

Impact: The result can be unauthorized actions, difficult incident scoping, broken accountability, and downstream exposure in systems that relied on the original handoff being safe.

Practitioner Guidance

What to watch for: Treat a delegation graph as a control surface, not just an observability view. The most important review point is whether each hop had a clear reason to receive the payload, instructions, or context it was given, and whether that handoff preserved the intended scope.

Practitioner takeaway: When delegated chains are opaque, the safest assumption is that authority may have outlived the context that granted it, so review the graph for every place trust was inherited instead of re-established.

Related resources from NHI Mgmt Group

• How can organizations effectively manage access delegation for AI agents?
• How should security teams handle unconstrained delegation in Active Directory?
• Why does unconstrained delegation increase the risk of lateral movement?
• What is the difference between unconstrained and constrained delegation?