By NHI Mgmt Group Editorial TeamBased on P0 Security: “Why PAM Needs to Evolve” (October 17, 2025)

TL;DR: P0 Security argues that privileged access management is moving beyond on-prem vaulting into policy-driven, ephemeral access for cloud, SaaS, DevOps, and AI-enabled systems, where runtime approvals, monitoring, and lifecycle coverage matter more than static account protection. The old PAM model fails when privilege is dynamic and distributed across human and machine identities.


At a glance

What this is: This article argues that PAM is no longer just about vaulting administrator accounts, because cloud, SaaS, DevOps, and AI-driven environments now require ephemeral, policy-based privilege control.

Why it matters: Identity and PAM teams need to redesign controls for runtime access, broader system coverage, and machine identities, not just traditional admin checkout workflows.

👉 Read P0 Security's analysis of how PAM is evolving for cloud, AI, and ephemeral access


Context

PAM was built for a smaller world of on-prem systems, a limited set of administrative accounts, and access that could be checked out, rotated, and monitored in a predictable window. That model weakens when privilege becomes distributed across cloud services, SaaS platforms, DevOps workflows, and AI-enabled systems that request access in more dynamic ways.

The governance gap is no longer just who gets privileged access. It is how that access is issued, observed, approved, and retired when the identity is a human, a service, or a machine workflow operating across hybrid infrastructure.


Key questions

Q: What breaks when standing privilege is still allowed in PAM?

A: Standing privilege breaks the core PAM promise because elevated access remains available even when no task is underway. That gives attackers a permanent target, extends dwell time after compromise, and makes lateral movement easier. The control failure is not vaulting itself, but leaving high-risk authority continuously reachable.

Q: Should organisations prioritise JIT access over vault expansion?

A: Yes, if the access pattern can be issued dynamically without keeping a reusable secret in circulation. JIT reduces the time a credential exists, while vault expansion mostly centralises custody of credentials that still need to live somewhere. For teams trying to reduce blast radius, the more important question is whether standing privilege can be removed entirely.

Q: What are the signs that privileged access management is failing in a cloud-first environment?

A: Common warning signs include long-lived permissions, slow manual provisioning and deprovisioning, frequent access requests, and compliance reviews that lack real-time visibility into who had access and when. If teams rely on rigid roles that either overgrant privileges or delay work, the control model is no longer matching how cloud operations actually run.

Q: How should security teams govern privileged access across service accounts and AI-driven systems?

A: Security teams should govern privileged access by focusing on the actions an identity can perform, not only on the account it uses. That means short-lived credentials, task-scoped permissions, clear ownership, and real-time policy decisions. Without those controls, service accounts and AI-driven systems accumulate standing privilege that is difficult to review or safely revoke.


Technical breakdown

Why static vaulting no longer fits cloud privilege

Classic PAM assumed that privileged access was tied to a small set of named accounts, often on-prem and centrally administered. Vaulting, password rotation, and session recording worked because the privilege boundary was relatively stable. Cloud changes that boundary: access is distributed across consoles, APIs, service roles, and administrative interfaces that may only exist for a task or deployment window. Once privilege is ephemeral, the control point shifts from storing credentials to governing issuance, scope, and expiry. Practical monitoring also gets harder because the same action may occur through multiple interfaces and identities.

Practical implication: Treat credential vaulting as one control layer, not the control strategy, and shift emphasis to runtime issuance and expiry.

How JIT access changes the PAM control model

Just-in-time access replaces standing privilege with time-bound, task-bound permission grants. That matters because the control objective is no longer only to protect a credential at rest, but to ensure that access exists only when needed and only for the minimum required scope. In modern environments, JIT must work across cloud services, DevOps pipelines, and administrative functions, often with policy-based approvals and automated expiry. The architectural challenge is consistency: if JIT is applied only to a subset of users or systems, the residual standing access becomes the real control gap.

Practical implication: Map where standing privilege still exists and prioritise those pathways before expanding JIT more broadly.

Why AI and machine identities expand PAM scope

The article’s key shift is that privileged access is no longer only a human admin problem. AI-based systems and machine workflows can need credentials, keys, or delegated permissions to complete tasks, which means PAM now intersects with non-human identity governance. These identities often act at runtime, integrate with multiple systems, and can create complex approval and audit requirements. That makes lifecycle controls more important, because access has to be issued, monitored, and revoked across both human and machine actors. The governance question becomes whether PAM is controlling the identity or merely recording what it did after the fact.

Practical implication: Extend privileged access governance to service accounts, automation, and AI-linked workflows, not just human administrators.


NHI Mgmt Group analysis

Ephemeral privilege is now the defining PAM design constraint: the old model assumed access could be checked out, reviewed, and rotated over a meaningful time window. That assumption breaks when cloud and DevOps workflows grant privilege only for the life of a task. Practitioners should stop treating duration as a secondary setting and treat it as the core control boundary.

Standing privilege is now a liability multiplier: once access spans cloud consoles, SaaS admin planes, and machine workflows, any persistent grant becomes a broader exposure path than the legacy PAM stack was built to handle. This is not just an implementation gap, but a coverage problem across the modern identity estate. Teams need to identify where persistent privilege still exists before they can claim PAM maturity.

PAM is converging with identity governance because the real problem is lifecycle, not just vaulting: approvals, monitoring, and revocation now have to follow the identity across cloud, hybrid, and automated execution contexts. The article points to a market where PAM is no longer a niche control for administrators, but a lifecycle discipline for high-risk access across human and machine actors. The practical conclusion is that governance scope has to expand with the environment.

Modern PAM exposes a runtime governance gap: policy-based access is only effective if the issuing, observing, and revoking controls operate at the same speed as the workload. When access is dynamic, post-hoc monitoring cannot substitute for issuance-time enforcement. Identity teams should treat runtime control as the measure of whether PAM is actually working.

Machine access forces PAM to become actor-aware: AI systems and service workflows do not fit the same approval, checkout, and session-monitoring model used for legacy administrators. The market signal is that privileged access tooling must distinguish between human intent, service execution, and machine delegation. Practitioners should design governance for actor type, not for one universal privileged account pattern.

From our research library:

What this signals

Ephemeral privilege is becoming the practical boundary for PAM programmes: when access is granted for a task rather than a role, governance has to move from account protection to issuance-time enforcement. That changes how teams measure coverage, because the question is no longer whether a credential exists, but whether it should exist at all outside the approved window.

Runtime governance is now the control test: modern PAM has to prove that approvals, monitoring, and revocation are operating at the same speed as the access request. If the control only works after the session ends, it is not governing modern privilege, it is documenting it.

Service accounts, automation, and AI-linked workflows are now part of privileged access design: teams that still scope PAM only to human administrators will miss the identities most likely to create persistent access paths. The programme needs actor-aware policy so human checkout, machine delegation, and task-scoped privilege are governed consistently.


For practitioners

  • Map standing privilege across cloud and SaaS admin planes Inventory where privileged access still persists outside task-scoped workflows, including consoles, APIs, and delegated admin functions. Focus first on accounts and roles that can make broad changes without a fresh approval.
  • Expand just-in-time access to high-risk workflows Apply time-bound, task-bound access grants to administration paths that currently rely on reusable credentials or long-lived role assignments. Make expiry automatic and scope the grant to the minimum required action set.
  • Bring machine identities into PAM governance Classify service accounts, automation credentials, and AI-linked workflows as privileged subjects where they can reach sensitive systems. Track approval, monitoring, and revocation for those identities with the same discipline as human admins.
  • Rebuild approvals around runtime context Use policy signals such as environment, target system, and task type to decide whether access should be granted, rather than relying on static role membership alone. That reduces the number of standing entitlements that survive beyond a job.

Key takeaways

  • PAM is shifting from a vault-centric model to one that governs runtime privilege across cloud, SaaS, DevOps, and AI-linked systems.
  • The core risk is no longer only credential theft, but standing access that outlives the task and spreads across many identity types.
  • Teams should measure PAM maturity by how well they issue, monitor, and revoke ephemeral access across human and machine actors.

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 and MITRE ATT&CK address the attack and risk surface, while NIST SP 800-53 Rev 5, 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-05 — Overprivileged NHIThe article centres on privilege sprawl across non-human and machine access paths.
NHI-07 — Long-Lived SecretsEphemeral access replaces long-lived credentials as the operating model PAM must support.
Recommendation — Reduce standing entitlements and scope NHI access to the minimum task required. Replace reusable credentials with short-lived access grants wherever possible.
NIST SP 800-53 Rev 5IA-5 — Authenticator ManagementThe piece discusses credential lifecycle, rotation, and time-bound access controls.
AC-6 — Least PrivilegeThe article repeatedly stresses task-scoped access and reducing broad privileged grants.
Recommendation — Apply IA-5 to manage credential lifecycle and remove persistent authenticator use. Enforce AC-6 so privileged access is granted only for the minimum required scope.
NIST CSF 2.0PR.AA-05 — Access Permissions, Entitlements and AuthorizationsThe governance issue is whether permissions and authorisations match current operational need.
Recommendation — Review entitlements continuously and retire permissions that no longer map to active tasks.
NIST Zero Trust (SP 800-207)Principle 6 — Access control is dynamic and continuousThe article's model depends on runtime verification rather than static trust in granted access.
Recommendation — Design privileged access decisions to be continuously evaluated at the point of use.
MITRE ATT&CKTA0006; TA0008 — Credential Access; Lateral MovementStanding privileged access and reusable credentials create the attack paths PAM is meant to reduce.
Recommendation — Map privileged access exposure to credential access and lateral movement risks in detection workflows.

Key terms

  • Ephemeral Access: Ephemeral access is permission that exists only for the duration of a specific task or session. For agents, it reduces the lifetime of credentials and limits blast radius if a workflow is abused or misrouted. The control is only effective when issuance, expiry, and revocation are enforced automatically.
  • Standing Privilege: Standing privilege is access that remains active even when no immediate task requires it. For NHI programmes, it is a common failure mode because long-lived credentials and persistent roles create unnecessary exposure. Reducing standing privilege usually means tighter expiry, on-demand access, and clearer review of who or what still needs access.
  • Just-in-Time Access Request: Just-in-Time Access Request is a pattern that grants access only when it is needed and only for the duration required. It reduces standing privilege by making access temporary, policy driven, and task scoped. This approach is especially useful for contractors, sensitive systems, and short-lived operational work.
  • Privilege Access Management: Privilege Access Management is the discipline of controlling and monitoring elevated access to critical systems and data. It governs how privileged accounts, credentials, sessions, and commands are issued, used, recorded, and revoked, so administrative power is limited, traceable, and aligned to policy, risk, and operational need.

What's in the full article

P0 Security's full article covers the operational detail this post intentionally leaves for the source:

  • How the PAM market evolved from on-prem vaulting and session management to cloud-era privileged access models
  • The role of policy-based access control, approval flows, and monitoring across cloud and SaaS administration
  • Why ephemeral credentials, permissions, and access grants are becoming the design baseline for modern PAM
  • How AI-based systems change the privileged access lifecycle for both human and machine identities

👉 P0 Security's full article covers cloud-era PAM, AI-driven access models, and the shift toward just-in-time privilege.

Deepen your knowledge

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NHIMG Editorial Note
Published by the NHIMG editorial team on June 24, 2026.
Updated on October 7, 2026.
NHI Mgmt Group, the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org