Machine identity management spans ownership, tooling, discovery, compliance, and developer experience, so no single department usually has the full context or authority to govern it well. A working group helps reduce conflicting decisions, creates shared accountability, and gives the organisation one place to set best practices. That structure is especially useful when different teams need different tooling or when legacy systems complicate policy decisions.
Why a working group fits machine identity management better than a single owner
machine identity management becomes a coordination problem as soon as identity lifecycle, secrets, access policy, discovery, and application ownership all intersect. A single team can control one slice, but it cannot usually resolve the trade-offs across platform engineering, security, application teams, and compliance without creating bottlenecks or blind spots.
That is why a working group is often the right operating model for machine identity governance: it creates a forum for decisions that cut across ownership boundaries, while still leaving implementation with the teams that run the systems.
In practice, the working group is less about committee process and more about decision quality. It helps align standards for rotation, inventory, deprovisioning, exception handling, and service-to-service authentication, so teams do not build incompatible local answers to the same problem.
What the working group actually coordinates
The value of a working group is that it can connect the parts of machine identity management that are easy to separate on org charts but hard to separate operationally. Discovery tells you what exists, ownership tells you who can act, tooling tells you how identities are issued and rotated, and policy tells you what is acceptable across environments.
Without shared coordination, each team tends to optimise for its own goal. Developers may favour continuity, operations may favour stability, security may favour shorter secret lifetimes, and compliance may need evidence and reviewability. A working group gives those concerns one place to be reconciled before they turn into duplicated controls or unresolved exceptions.
That coordination also matters when legacy systems or mixed tooling are involved. In those environments, a policy that is technically sound but impossible to implement consistently usually becomes a paper standard. A working group can decide where the organisation needs a common baseline and where it needs temporary exceptions with clear ownership.
When ownership breaks down without shared governance
Machine identities fail most often at the seams: no one knows who owns a token, a certificate is still trusted after the service changes, a secret lives longer than the application that uses it, or a team assumes another team will rotate and revoke it. Those failures are not just technical oversights, they are governance gaps created by fragmented accountability.
A single team rarely has enough context to see the full lifecycle. Security may know the control objective, but not the deployment dependency. Platform teams may know the tooling, but not the business criticality. Product teams may know the service behavior, but not the downstream access that an identity grants. The working group exists to combine those views into one decision path.
This is also why machine identity management often needs agreed standards more than isolated heroics. A good working group can define what must be inventoried, what must be reviewed, what counts as an exception, and who signs off when a machine identity cannot yet meet the preferred pattern.
How a working group improves consistency at scale
At small scale, ad hoc decisions may look efficient. At larger scale, they create drift: one team uses short-lived tokens, another depends on shared secrets, another cannot prove where identities are issued, and a fourth has no repeatable decommissioning process. The cost is not only inconsistency, it is inability to measure risk across the estate.
A working group helps establish the common operating rules that make scale manageable. That includes naming conventions, inventory expectations, acceptable authentication patterns, rotation thresholds, exception review cadence, and a shared view of which controls are mandatory versus preferred. Those decisions make it easier to automate later without automating inconsistency.
The other benefit is escalation. When a team cannot resolve a conflict between usability and control, the working group becomes the decision venue instead of leaving the issue to local workarounds. That is especially important when machine identities span multiple environments, third parties, or shared services.
Risk and Threat Considerations
Machine identities are attractive failure points because they often carry persistent access, are deployed in bulk, and can be missed by ordinary account governance. When governance is fragmented, stale credentials, orphaned identities, and overprivileged service access can survive long after the system that created them has changed.
Failure mechanism: Ownership gaps, incomplete inventory, and inconsistent rotation or offboarding let machine credentials remain valid longer than intended, which increases the chance of misuse, lateral movement, or hidden access paths.
Impact: The result can be credential exposure, uncontrolled privilege, audit failure, and a larger blast radius when one identity is compromised or forgotten.
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 surface, CIS Controls v8, NIST SP 800-53 Rev 5 and NIST CSF 2.0 set the technical controls, and ISO/IEC 27001:2022 defines the regulatory obligations.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-01 — Improper Offboarding | Working groups define shared offboarding ownership for machine identities. |
| NHI-05 — Overprivileged NHI | Cross-team governance is needed to curb excessive machine privileges. | |
| NHI-07 — Long-Lived Secrets | Working groups often set rotation and lifecycle rules for persistent secrets. | |
| Recommendation — Assign clear revocation ownership and enforce timely removal of obsolete machine identities. Review and reduce machine identity permissions to the minimum needed for each service. Set rotation and expiry standards for machine secrets and enforce them consistently. | ||
| CIS Controls v8 | CIS-5 — Account Management | Machine identity ownership, review, and removal are account-management problems. |
| Recommendation — Centralize machine identity inventory, ownership, and removal decisions under accountable process. | ||
| NIST SP 800-53 Rev 5 | IA-5 — Authenticator Management | The topic centers on managing machine credentials and their lifecycle. |
| AC-2 — Account Management | A working group coordinates account ownership, provisioning, and deprovisioning. | |
| Recommendation — Establish lifecycle rules for machine authenticators, including rotation, storage, and revocation. Require named ownership and timely deprovisioning for all machine accounts. | ||
| NIST CSF 2.0 | GV.RR-01 — Roles, Responsibilities, and Authorities | A working group exists to assign decision rights across teams. |
| ID.AM-03 — Organizational Communication Flows and Dependencies | Machine identities span teams and dependencies that must be mapped together. | |
| Recommendation — Define who owns machine identity decisions, approvals, and exception handling. Map machine identity dependencies across teams before setting control standards. | ||
| ISO/IEC 27001:2022 | A.5.2 — Information security roles and responsibilities | The question is about assigning shared accountability for a cross-functional control area. |
| A.5.9 — Inventory of information and other associated assets | Working groups often coordinate discovery and inventory of machine identities. | |
| Recommendation — Assign explicit responsibility for machine identity governance and escalation paths. Maintain a complete inventory of machine identities and the systems they support. | ||
Practitioner Guidance
What to prioritise: Start by defining the decisions the working group must own, not by debating every technical implementation detail. The highest-value decisions are ownership, exception approval, identity inventory, rotation standards, and offboarding responsibility.
What to verify: Make sure each machine identity has a named owner, a documented purpose, a reviewable lifecycle, and a clear action path for renewal, rotation, and revocation. If any of those are missing, the control model is still incomplete.
Common mistake: Treating the working group as a reporting forum instead of a decision forum. If it cannot settle standards or exceptions, it will not prevent drift, and the organisation will keep re-solving the same identity problems in every team.
Practitioner takeaway: Use the working group to establish shared decision rights and lifecycle rules, then let individual teams implement within that guardrail, because machine identity risk usually comes from seams, not from a single control failure.
Related resources from NHI Mgmt Group
- How should organisations set up a machine identity management working group to avoid fragmented ownership?
- When does a machine identity become a compliance problem?
- What do security teams get wrong when they treat privileged account management as one control instead of separate account, user, and identity problems?
- How should organizations prioritize environments for NHI management?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on September 26, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
