NHI and AI-driven access are becoming a board-level risk

At a glance

What this is: This is a webinar on the rising governance risk from NHI and AI-driven access, with a key finding that unmanaged credentials and overprivileged access are now board-level concerns.

Why it matters: It matters because IAM, PAM, and security teams need a phased control model that can govern human and machine access together without stalling AI or automation programmes.

👉 Register for Delinea's webinar on NHI and AI-driven access risk

Context

Non-human identities now include service accounts, APIs, bots, machine identities, and AI-driven access paths that are often created faster than security teams can inventory them. That imbalance creates a governance gap in which privilege, ownership, and review cadence no longer line up with how the access is actually used.

The webinar frames this as a practical security and compliance problem for organisations that must reduce material risk without halting current transformation work. For IAM and PAM teams, the question is no longer whether machine access exists, but whether the programme can see it, constrain it, and evidence control across hybrid environments.

Key questions

Q: How should security teams reduce risk from unmanaged non-human identities?

A: Start by inventorying every service account, API key, certificate, bot, and machine identity, then assign an accountable owner and review date. Next, remove standing privilege that is not required for current workflows. Without that foundation, reporting and policy will miss the identities that create the greatest blast radius.

Q: Why do non-human identities increase audit and compliance exposure?

A: They often operate outside the lifecycle processes used for people, so ownership, approvals, and recertification are inconsistent. That creates evidence gaps for frameworks that expect access to be explainable, time-bound, and tied to responsibility. The risk rises when privileged access is shared, reused, or never formally reviewed.

Q: What breaks when machine credentials are not tightly governed?

A: Unmanaged credentials can be reused across multiple systems, which turns a single compromise or misuse event into broader lateral movement. They also make it difficult to prove least privilege, because the credential may hold more access than any current workflow requires. The result is a larger attack surface and weaker audit defensibility.

Q: How should organisations balance AI adoption with identity governance?

A: Treat AI and automation as access design problems from the start, not after deployment. If a workflow needs machine access, define the accountable owner, the privilege boundary, and the logging path before it goes live. That approach reduces compliance exposure without forcing a large-scale programme reset.

Background and context

Why non-human identity visibility breaks down at scale

Visibility fails when identity sprawl outpaces discovery and ownership. Service accounts, API keys, bots, and machine identities often sit outside the joiner-mover-leaver processes used for people, so they are not reviewed with the same discipline. In hybrid estates, the problem deepens because credentials are distributed across cloud platforms, applications, infrastructure, and automation pipelines. Without a current inventory, teams cannot distinguish dormant credentials from active privileged access, which makes governance reactive instead of continuous.

Practical implication: build a current inventory of every non-human identity and map each one to an accountable owner and control tier.

How overprivileged access becomes a material audit and resilience risk

Overprivilege matters because machine identities often accumulate permissions that were convenient at setup time but are never re-scoped. That creates broad standing access, weak segregation of duties, and audit evidence that is difficult to defend. In practice, the same credential may authenticate across multiple systems, which expands blast radius if it is exposed or misused. This is why privileged access management for NHI cannot be treated as a bolt-on control; it has to be part of access design, not just remediation.

Practical implication: remove standing excess privilege first, then re-test which machine workflows truly require persistent access.

Securing privileged access across hybrid environments

Hybrid environments complicate identity control because human and machine access often intersect at the same administrative boundaries. A privileged workflow may start with a human request, transition through a service account, and then execute through automation or an API. That chain needs consistent policy, logging, and approval logic, or the organisation ends up with gaps between who authorised access and what actually used it. The operational challenge is less about one control and more about preserving accountability across the full access path.

Practical implication: align PAM, IAM, and automation logging so every privileged action can be traced back to a specific identity and purpose.

NHI Mgmt Group analysis

Non-human identity sprawl is now a governance problem, not a tooling problem. The central issue is not simply that organisations have more secrets. It is that service accounts, API credentials, bots, and machine identities are being created faster than control ownership and review processes can keep up. That means IAM and PAM teams are inheriting an attack surface whose size is dictated by delivery speed, not by governance design. Practitioners should treat inventory quality as a security control, not an administrative task.

Standing privilege remains the failure mode that turns routine machine access into board-level risk. When a non-human identity keeps broad access across hybrid systems, one exposed credential can become a multi-system incident instead of a contained event. The control gap is not abstract privilege creep alone, but the absence of a hard boundary on what the credential can do over time. Practitioners should assume that every unscoped machine credential increases audit exposure, resilience exposure, and lateral movement potential.

Phased NHI governance is the only realistic operating model for organisations already mid-transformation. The article correctly points to incremental control improvement rather than a disruptive rebuild, because many programmes cannot pause automation or AI initiatives to redesign identity from scratch. That makes control sequencing critical: visibility first, privilege reduction second, and accountability evidence third. Practitioners should prioritise controls that narrow blast radius without blocking essential delivery.

Hybrid identity governance now has to collapse human and machine controls into one accountability model. A privileged action may originate with a person, execute through a service account, and surface in an audit trail only if the programme links those identities together. That is where many governance models fail today. Practitioners should design for end-to-end traceability across human approval, machine execution, and post-event review.

From our research:

• 72% of organisations have experienced or suspect they have experienced a breach of non-human identities, according to The 2024 ESG Report: Managing Non-Human Identities.
• 46% confirmed a non-human identity breach and 26% suspected one, which shows how often governance gaps remain partially invisible until after the event.
• For the control path behind those incidents, see The 52 NHI breaches Report, which breaks down recurring root causes and breach patterns.

What this signals

Identity blast radius: machine access should now be measured by how far a compromised credential can travel before detection, not by how many credentials exist. Organisations that cannot trace privilege from owner to workload will keep discovering the problem through audits or incidents instead of governance review.

With 46% of organisations in our research confirming a non-human identity breach, the category has moved beyond edge-case risk. That should push IAM and PAM teams to treat machine identities as a standing governance domain, with evidence-ready ownership and scope control across the full access path.

For practitioners

• Inventory every non-human identity Create a current register of service accounts, APIs, bots, certificates, and machine identities, then assign an owner, business purpose, and expiry or review date to each one.
• Remove standing excess privilege Review privileged entitlements on machine identities and eliminate permissions that are not needed for the live workflow, especially cross-environment access that widens blast radius.
• Separate human approval from machine execution Record the approval source, the executing identity, and the target system for every privileged workflow so auditors can trace how access moved through the hybrid chain.
• Adopt phased controls that do not stall delivery Start with the highest-risk credentials and the most sensitive systems, then tighten visibility and access scope before moving to broader automation estates.

Key takeaways

• The core risk is not AI adoption itself, but unmanaged non-human identities whose privilege exceeds governance capacity.
• The evidence points to a persistent control gap: most organisations have already seen or suspect non-human identity compromise.
• The practical response is phased governance that starts with inventory, then removes standing excess privilege, then closes audit traceability gaps.

Key terms

• Non-Human Identity: A non-human identity is any account or credential used by software, infrastructure, or automation rather than a person. It includes service accounts, API keys, tokens, certificates, bots, and machine identities, all of which need ownership, scope control, and lifecycle governance to stay secure.
• Standing Privilege: Standing privilege is access that remains available all the time instead of being issued only when needed. In non-human identity programmes, it creates persistent blast radius because a compromised credential can act immediately across systems without a temporary approval step or expiry boundary.
• Privileged Access Management: Privileged access management is the set of controls used to govern high-risk access, especially where elevated permissions can change system state or expose sensitive data. For non-human identities, it has to cover both the credential itself and the workflow that uses it.
• Hybrid Identity Environment: A hybrid identity environment is one where access spans cloud, on-premises, applications, infrastructure, and automation layers. The security challenge is not just where identities exist, but whether the organisation can trace, constrain, and evidence privilege consistently across all of those layers.

Deepen your knowledge

NHI visibility, privileged access, and lifecycle governance are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are trying to bring machine access under control without disrupting delivery, it is worth exploring.

This post draws on content published by Delinea: AI adoption, NHI growth, and the practical governance response to unmanaged machine access. Read the original.