Topic starter
21/08/2026 4:57 pm
TL;DR: Runtime behaviour is now the governance issue for agentic systems, according to BigID. Declarative policy needs to follow data sensitivity, actor type, and actual use so controls can intervene at the point of use.
Editorial analysis by NHI Mgmt Group, based on content published by BigID: “Building a Declarative Governance Framework for the Agentic Era”.
Key questions
Q: Why do human IAM controls fall short for autonomous agents and service accounts?
A: Because human IAM assumes stable roles, predictable access patterns, and access decisions that stay meaningful after provisioning.
Q: What are the signs that delegated agent access is failing governance?
A: Common signs include missing provenance, broad permissions that outlast the task, and audit records that show what happened but not who effectively authorised it.
Q: How should security teams govern agentic systems without relying on static IAM rules?
A: They should define acceptable behaviour up front, then validate runtime activity against that policy.
Practitioner guidance
- Define policy around data and behaviour, not just roles List sensitive datasets, allowed actor types, access conditions, and prohibited behaviour before agents are allowed into production workflows.
- Correlate identity with data context Join permissions, data classification, ownership, and actual usage so you can tell whether a non-human identity is acting within declared intent.
- Set intervention thresholds in advance Predefine when access should be tightened, revoked, or quarantined so policy violations can trigger action without waiting for manual triage.
Bottom line: Agentic systems expose a governance gap that human-centric IAM was not built to handle, because runtime behaviour matters as much as initial permissioning.
Glossary terms: Declarative Governance, Data-Centric Governance, Runtime Behaviour Monitoring, Policy-Driven Intervention
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This topic was modified 4 days ago by NHI Mgmt Group
21/08/2026 5:14 pm
Declarative governance is the right response when access behaviour is no longer stable enough for IAM to model upfront. Human-centric controls assume that roles, permissions, and usage patterns remain predictable long enough for access policy to hold its meaning. Agentic systems break that assumption because they operate continuously across multiple environments and can change how access is used after the grant. The practitioner implication is that governance must move from assignment-time certainty to runtime policy validation.
A few things that frame the scale:
- Only about one-third of approximately 500 organizations surveyed by McKinsey in 2026 report maturity level three or higher across agentic AI governance controls.
A question worth separating out:
Q: When should organisations reduce or suspend an agent’s access?
A: Reduce or suspend access when the agent’s behavior no longer matches the approved task, when it reaches for credentials it should not need, or when its actions could widen blast radius. The right trigger is behavioral deviation, not only a failed login or a policy violation after the fact.
👉 Read our full editorial: Declarative governance for agentic systems: why IAM controls fall short