Agent attribution and non-repudiation
Make consequential agent actions attributable to an accountable chain
Incident investigators cannot connect an action to its initiating authority. The decision is how to make consequential agent actions attributable to an accountable chain. The work begins with your actual workflow and looks for the evidence that separates intended behaviour from a consequential exception. It is particularly relevant to security operations and audit stakeholders. A useful outcome is an explicit account of what was examined, what remains uncertain, and which decision the evidence can support.
The identity and delegated authority relationship
- Event schemas
Establish the basis for delegation evidence.
- Correlated events
Resolve timestamps and identifiers across systems.
- Attribution evidence model
Retain the scoped finding and its unresolved dependencies.
Decision
Frame the decision around delegation evidence
Questions and the evidence they need
- Delegation evidence
- Inspect event schemas for the relevant constraint or observation.
- Correlated events
- Inspect timestamps for the relevant constraint or observation.
- Integrity boundary
- Inspect identity evidence for the relevant constraint or observation.
The decision is how to make consequential agent actions attributable to an accountable chain. This is relevant to security operations and audit stakeholders when incident investigators cannot connect an action to its initiating authority. Name the affected workflow, the consequence of a wrong decision, and the owner who can act on the result. The initial discussion should establish which evidence is already available and which uncertainty is material enough to investigate.
The specific failure hypothesis is that logs identify a bot account but cannot distinguish the requester, agent revision or approved action. It remains a hypothesis until examined in the deployment. Existing internal tests or operating records may already resolve it; identify the uncovered question before commissioning additional work.
Mechanism
Attribution requires a reconstructable action chain
Relationships within identity and delegated authority
- Delegation evidence
- Connect the initiating mandate to the executor.
- Correlated events
- Resolve timestamps and identifiers across systems.
- Integrity boundary
- Record what retention and tamper controls actually cover.
What this specialty examines
Attribution needs a chain from initiating request to observed business action. Record identity evidence, delegation, action parameters, relevant version and timing where necessary. Assess integrity and access controls on those records so later edits or missing events are visible.
The review should reconstruct selected actions using independently retained records and inspect gaps or conflicting timestamps. Identify the normal route, relevant exceptions and the authoritative record of the outcome. Inspect the relevant business-system record, enforcement event or process evidence alongside any reported status. Keep incomplete cases visible, with an explanation of what their absence prevents the owner from concluding.
The tradeoff to make explicit
For this decision, detailed attribution aids investigation while records must minimise sensitive content and control access. Compare the available design or operating choices against the same intended outcome. If one option removes a required control or changes the task boundary, describe that difference before treating its apparent simplicity, speed or lower effort as an improvement. The decision should expose the tradeoff instead of burying it in an aggregate score.
Preparation
Connect the working inputs to the boundary being examined
Evidence packet for delegation evidence
Illustrative working format
- Event schemas
- Retain the observed conditions and distinguish gaps from contrary evidence.
- Timestamps
- Check its relationship to the relevant workflow and expose missing context.
- Identity evidence
- Use nonsecret metadata to trace issuance, acceptance, and withdrawal responsibility.
- Delegation records
- Locate transfer of responsibility, permitted authority, and unfinished-work ownership.
Start with event schemas, timestamps, identity evidence, delegation records and integrity controls. Identify the owner, revision and operating context of each source. Sanitised examples may support initial design, but differences from actual conditions should remain explicit. Where direct access is unsuitable, a customer-controlled evidence or execution route may be considered, with agreed handling and retention.
The scope also needs the identity control owner, agreed expectations for a representative subject-action-resource case, and the authority to inspect the relevant boundary. Specify what evidence would distinguish the failure in which logs identify a bot account but cannot distinguish the requester, agent revision or approved action from acceptable behaviour. If stakeholders disagree about intended behaviour, resolve the interpretation before classifying the observed difference as a defect.
How the work proceeds
Carry delegation evidence through to an accountable finding
From the scoped material to a decision record
- Event schemas
Locate the source of the claimed authority.
- Correlated events
Apply the scoped check to integrity boundary.
- Attribution evidence model
Record the evidence, open dependencies, and the owner’s next decision.
Map principals, resources and authority
Reconcile event schemas, timestamps, identity evidence, delegation records and integrity controls with the workflow described by security operations and audit stakeholders. Identify the initiating actor, executing workload, target resource and component that grants access. Prepare paired cases that differ in one material authority condition, such as assignment, tenant, expiry or approval. The preparation output is an action map showing which permission is expected at each boundary and which records can verify it.
Exercise and review the authority path
Non-repudiation is a stronger claim than having logs. Define the intended evidentiary use and involve qualified specialists where legal interpretation is required. Technical work can examine signing, integrity and provenance without claiming that a record resolves every dispute.
Select the identity control change
Consolidate the checked paths into an attribution evidence model with integrity and retention requirements. Distinguish an identity-verification problem from an excessive permission, lost delegation context or delayed withdrawal. Assign the proposed change to the component that controls the affected action. Before recommending wider use, identify the allowed case and denied counterpart that would demonstrate the revised boundary without breaking legitimate work.
Indicative artefact
Make the attribution evidence model usable by its owner
Attribution evidence model
Illustrative working format
- Attribution evidence model
- Link observations and counterevidence to the case, configuration, and conclusion limit.
- Integrity
- Link supporting and contrary observations to inspectable evidence.
- Retention requirements
- Name the unresolved condition, next action, and accountable owner.
A useful decision artefact is an attribution evidence model with integrity and retention requirements. Supporting material may include selected cases, configuration or process records, evidence references, a disagreement log and prioritised actions. Retain the case selection rationale and material disagreements alongside the result; otherwise the result may be mistaken for complete coverage.
Illustrative scenario
Examine integrity boundary through a constructed exception
A constructed case and its decision paths
Illustrative scenario
- Delegation evidence
Separate logs disagree about which principal approved an operation.
- Correlated events
Correlate delegation, approval, and execution using independently retained events.
- Integrity boundary
State an attribution gap when the records cannot resolve the actor.
Consider a fictional situation: a disputed supplier update appears in the business log without the delegation or tool request that caused it. The scenario is illustrative, with no client engagement, executed test or measured improvement implied.
For the supplier update, reconcile the business-system record with the agent request and mandate. If the link is missing, identify the specific gap. More verbose prompts in the log will not replace an absent connection to authorisation.
Scope and next action
Keep the conclusion within named authority paths
Confirm fit before the next commitment
- Delegation evidence
- This review is limited to named authority paths.
- Event schemas
- The relevant owner must confirm access and the intended operating conditions.
- Attribution evidence model
- Technical findings do not settle a disputed mandate.
Identity design and technical testing do not establish a legal mandate or resolve a disputed business authorisation. Qualified IAM review is needed for material control conclusions. Any engagement depends on an agreed scope, qualified team, authorised access and confirmed availability. Bring the affected workflow, its current configuration or process, the triggering change and the evidence already available. The immediate scope question is prompted by the situation in which incident investigators cannot connect an action to its initiating authority; confirm which missing observation would change the owner’s next action.
Ways to engage
Related engagement scopes
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AI Agent Runtime Security Review
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Continue exploring
Related insights and resources
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Turn agent permissions into an enforceable action contract. Separate a model's suggestion from a resource owner's authorisation, test the boundary, and make delegation and revocation reviewable.
The permission boundary behind every agent action
An agent can only be evaluated in the context of what its tools allow. Examine identity, delegated authority and action boundaries before you put a workflow in motion.
Before your agent can act, define its authority
A working paper for the moment an AI system moves from advice to action. Map identity, permissions, approvals and recovery into an authority model your team can review and test.