By NHI Mgmt Group Editorial TeamPublished 2025-12-10Domain: Workload IdentitySource: SailPoint

TL;DR: Machine identities are harder to manage than human identities for 72% of identity professionals, and 66% say the work requires more manual steps, according to SailPoint’s study. The editorial point is that visibility, ownership, and policy consistency now determine whether machine identity risk stays containable or becomes structural.


At a glance

What this is: This is SailPoint’s analysis of why machine identities are harder to govern than human identities and what that means for enterprise identity security.

Why it matters: It matters because machine identities sit inside the same identity estate as human users, yet often lack ownership, visibility, and lifecycle controls that IAM, IGA, and PAM teams rely on.

By the numbers:

👉 Read SailPoint's analysis of machine identity risk in identity security programs


Context

Machine identity risk is the governance gap that appears when service accounts, application accounts, and device credentials outgrow the controls built for people. The problem is not just scale. It is that these identities often run without a named owner, without the friction of interactive login, and without the review cadence that human IAM programmes depend on.

SailPoint’s article argues that the enterprise identity stack has become too fragmented to manage this sprawl cleanly. When identity tools and workflows do not share a consistent policy model or data picture, machine accounts become harder to discover, classify, review, and retire. That leaves IAM, IGA, and PAM teams with blind spots in the part of the estate attackers increasingly target.

The pattern is typical of modern environments rather than an edge case. As machine accounts multiply across applications and services, the control problem shifts from provisioning alone to ongoing visibility, ownership, and entitlement governance.


Key questions

Q: How should security teams govern machine identities at enterprise scale?

A: Security teams should govern machine identities with the same discipline used for human access, but adapted for background execution. That means authoritative discovery, named ownership, entitlement review, and lifecycle offboarding across every system where machine accounts exist. The goal is not just control creation. It is making each account reviewable, explainable, and revocable.

Q: Why do machine identities create more governance risk than human accounts?

A: Machine identities create more governance risk because they are numerous, background-driven, and easy to overlook when no one logs in interactively. They can persist beyond the business need that created them, and their privileges are often broader than necessary. That combination makes them harder to audit and easier to abuse than most human accounts.

Q: What breaks when machine accounts have no clear owner?

A: When machine accounts have no clear owner, access reviews lose accountability and offboarding becomes ambiguous. No one is responsible for confirming whether the account is still needed, whether its permissions are still correct, or whether it should be revoked. That is how dormant access survives long after the original workload changes.

Q: How can organisations tell whether machine identity controls are actually working?

A: Machine identity controls are working when teams can discover accounts quickly, map each one to an owner, explain its permissions, and revoke access without manual hunting. If discovery is incomplete, ownership is missing, or reviews depend on tribal knowledge, the control is not working at programme level.


Technical breakdown

Why machine identities create a visibility problem

Machine identities, more accurately machine accounts, are designed to run without direct human interaction. That means they can persist in background processes, service integrations, and automated workflows long after teams lose track of them. Visibility breaks when the identity inventory is incomplete, ownership is unclear, or discovery is not tied to an authoritative source of record. In practice, the issue is not only that there are more accounts. It is that they are easier to forget, harder to classify, and often absent from the review processes built around human users.

Practical implication: discover machine accounts continuously and assign a named human owner before the account becomes operationally invisible.

Why excessive privileges amplify machine identity risk

The article points to overly permissive access rights across critical resources, which is the usual force multiplier for machine identity exposure. If a service account has broad rights and weak oversight, compromise or misuse can move quickly into lateral movement or data access. Machine accounts often accumulate privilege because they are created to keep systems working, then left untouched as the environment changes. That creates an entitlement profile that is much harder to justify than the original business need.

Practical implication: treat machine-account entitlements as living access, not static infrastructure configuration.

How a unified identity fabric changes governance

A unified identity security model matters because machine identities rarely live in one system. They span SaaS, cloud platforms, orchestration layers, and application stacks, each with different APIs and policy semantics. A consistent connectivity fabric and shared policy model reduce the need for separate manual processes in each tool. This is not about more tooling. It is about eliminating the governance mismatch that appears when identity data, workflows, and enforcement are fragmented across platforms.

Practical implication: standardise discovery, policy, and review workflows across systems rather than managing machine identities tool by tool.


Threat narrative

Attacker objective: The attacker wants durable access through an identity the organisation is least likely to notice or review.

  1. Entry begins when a machine account is created for an application, service, or device and is later overlooked because it operates in the background.
  2. Escalation occurs when the account carries excessive privileges or is not reclassified as the environment changes, giving an attacker or abuse path broad reach.
  3. Impact follows when hidden machine identities provide a foothold into critical resources, enabling unauthorised access, persistence, or data exposure.

Read our 52 NHI Breaches Analysis report for a comprehensive view of breaches impacting Non-Human Identities including AI Agents.


NHI Mgmt Group analysis

Machine identity sprawl is now an identity governance problem, not a niche operations issue. The article shows that machine identities are already harder to manage than human identities for most organisations, and that is a governance signal rather than a tooling complaint. When 62% of surveyed companies say they have machine identities active without visibility, the estate is no longer reviewable in a meaningful way. Practitioners should treat undiscovered machine accounts as an IGA failure mode, not just an inventory gap.

Visibility without ownership is not governance. The article’s recommendation to assign a human owner reflects a deeper control truth: machine identities need an accountable party because the identity itself cannot provide lifecycle context. Without ownership, access reviews become ceremonial and offboarding becomes guesswork. In NIST CSF and OWASP-NHI terms, the control objective is not merely discovery but provable responsibility for each non-human account.

Excessive privilege is the machine identity blast radius multiplier. Machine accounts are often created to keep services running, which makes teams reluctant to narrow permissions once they are in production. That creates broad standing access across critical resources, and broad standing access is what turns a single compromised account into a multi-system incident. The implication is simple: privilege scope, not just account count, determines the real risk surface.

Unified policy is the only scalable answer to multi-vendor identity fragmentation. The article correctly identifies that separate identity stacks create blind spots and operational friction. When policy logic, workflows, and data models differ by tool, machine identity governance becomes inconsistent by design. A shared model does not eliminate risk, but it makes review, audit, and enforcement possible at enterprise scale.

Machine identity risk exposes a lifecycle assumption that many programmes still rely on: accounts will be obvious enough to review before they matter. That assumption fails when identities live quietly in automation, inherit rights from templates, and outlast the human context that created them. The implication is that identity governance has to move from periodic review to continuous accountability for non-human accounts.

From our research:

  • 91.6% of secrets remain valid five days after the targeted organisation is notified, showing a critical gap in remediation procedures, according to Ultimate Guide to NHIs.
  • 79% of organisations have experienced secrets leaks, and 77% of those incidents resulted in tangible damage.
  • That pattern reinforces why the 52 NHI Breaches Analysis is the next resource for teams studying how hidden identities turn into real incidents.

What this signals

Machine identity governance should now be measured as part of identity coverage, not as an optional infrastructure task. With 97% of NHIs carrying excessive privileges in our research, the operational question is no longer whether machine identities need control, but whether programmes can still justify any identity estate that is mostly over-entitled. Teams that cannot map service accounts back to owners and workloads should assume their review process is lagging the environment.

The strongest named concept here is machine identity visibility debt. It describes the growing gap between the number of machine accounts in circulation and the organisation’s ability to account for them at review time. That debt compounds every time a service is deployed without lifecycle ownership or entitlement baselining.

For practitioners, the signal is that machine identity work must sit alongside PAM, IGA, and secrets management rather than in a separate tool conversation. The more fragmented the identity stack, the more likely hidden accounts will escape policy enforcement, and that is the point where an isolated secret becomes an enterprise governance problem.


For practitioners

  • Build an authoritative machine-identity inventory Discover service accounts, application accounts, and device identities across cloud, SaaS, and on-prem systems, then reconcile them against a single source of record. Do not rely on ad hoc spreadsheets or application owners to surface hidden accounts.
  • Assign named owners to every machine account Require a human owner for each account and make ownership a prerequisite for access review, exception approval, and lifecycle changes. If no accountable owner exists, the account should be treated as unmanaged until it is remediated.
  • Reduce standing privilege on machine accounts Review entitlement scope for every service identity and remove access that is broader than the current workload requires. Focus first on privileged roles, production data stores, and cross-environment access paths.
  • Standardise discovery and review workflows across tools Use one policy model and one review workflow for machine identities even when the accounts live in different platforms. This reduces blind spots created by separate administrative silos and makes audit evidence easier to produce.

Key takeaways

  • Machine identities create a governance burden because they are easy to miss, hard to classify, and often left without accountable ownership.
  • Visibility and privilege scope matter more than raw account count, because hidden over-entitled accounts expand the blast radius of compromise.
  • Programmes that unify discovery, ownership, and review across tools are better positioned to control machine identity risk at scale.

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 address the attack and risk surface, while NIST CSF 2.0 and NIST Zero Trust (SP 800-207) set the governance and control requirements practitioners need to meet.

FrameworkControl / ReferenceRelevance
OWASP Non-Human Identity Top 10NHI-01Discovery and inventory of machine identities is central to this article.
NIST CSF 2.0PR.AC-1Account management and access control are the core governance issues here.
NIST Zero Trust (SP 800-207)PR.AC-4Least privilege and continuous verification apply to machine identities too.

Create a complete machine-identity inventory and tie each account to an owner and lifecycle state.


Key terms

  • Machine Identity: A machine identity is a non-human identity used by software, services, devices, or workloads to authenticate and access resources. It is usually not tied to an interactive user session, which makes ownership, visibility, and lifecycle governance more important than in human access management.
  • Machine Identity Visibility: Machine identity visibility is the ability to find, classify, and track non-human accounts across the environment. It is the prerequisite for review and control, because accounts that are not discovered cannot be owned, audited, or revoked with confidence.
  • Standing Privilege: Standing privilege is access that remains continuously available rather than being granted only when needed. For machine identities, it increases risk because services often retain permissions long after the original operational need has changed, expanding the blast radius of misuse or compromise.
  • Identity Fabric: An identity fabric is a shared set of workflows, policy logic, APIs, and data models that lets identity controls operate consistently across tools and platforms. For machine identities, it reduces fragmentation and makes discovery, review, and enforcement easier to standardise.

Deepen your knowledge

NHI governance, agentic AI identity, and machine identity security are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are responsible for identity security strategy or programme maturity, it is worth exploring.

This post draws on content published by SailPoint: Build a stronger identity security program by mitigating machine identity risk. Read the original.

NHIMG Editorial Note
Published by the NHIMG editorial team on 2025-12-10.
NHI Mgmt Group — the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org