Passwordless PAM still needs privileged access controls and ZSP

At a glance

What this is: CyberArk's article says passwordless authentication lowers exposure but does not replace privileged access controls, because PAM still has to govern shared credentials, service accounts, audit requirements and emergency fallback paths.

Why it matters: IAM and PAM teams should treat passwordless as an authentication change, not an access-governance end state, because privileged access still needs least privilege, session controls and lifecycle discipline across human and non-human identities.

Context

Passwordless authentication changes how an identity proves itself, but it does not remove the governance problem around privileged access. The article focuses on the control gap that remains when passwords disappear but shared accounts, service accounts, local administrator credentials and emergency access still exist.

For IAM and PAM teams, the question is not whether passwordless is useful. It is whether the programme can still enforce least privilege, session isolation, auditability and lifecycle control when the credential is no longer visible to the end user.

That makes this a governance story as much as an authentication story. The central issue is that high-risk access still needs to be authorised, constrained and reviewable, even when the login factor changes.

Key questions

Q: How should security teams implement passwordless authentication without increasing access risk?

A: Security teams should implement passwordless in stages, starting with low-risk use cases and then expanding only after enrollment, recovery, and session controls are proven. The biggest mistake is treating the login method as the whole solution. Strong governance requires device binding, audit trails, revocation procedures, and step-up checks for privileged actions.

Q: Why do passwordless controls not eliminate privileged access risk?

A: Because the risk lives beyond the password prompt. Valid factors can still be stolen, sessions can still be abused, and shared privileged accounts can still outlive the task they were meant to support. The access path remains sensitive even if the user no longer sees a password.

Q: What are the signs that passwordless adoption is leaving too much standing privilege behind?

A: Watch for persistent administrator entitlements, long-lived cloud root access, shared support accounts and audit trails that do not tie a privileged session to a specific task. Those signals show the programme has modernised authentication faster than it has modernised access governance.

Q: Should organisations prioritise passwordless or privileged access modernisation first?

A: Most organisations should modernise privileged access controls first or in parallel, because the highest risk usually sits in service accounts, root access and shared administrative paths. Passwordless can improve user experience, but it does not address over-privilege, shared credentials or poor auditability on its own.

Technical breakdown

Why passwordless still leaves privileged access exposure

Passwordless replaces one authentication factor with another, usually possession or inherence based. That changes the login experience, but it does not remove the underlying privileged entitlement, the session, or the resource being accessed. In PAM environments, the real control plane is not the password itself. It is how access is issued, isolated, observed and revoked across human users, shared administrator accounts and non-human identities such as service accounts and application secrets.

Practical implication: treat passwordless as an authentication layer and keep governing the privileged session itself.

Why shared privileged access still needs layered controls

The article is explicit that many organisations will continue to rely on shared privileged accounts, root credentials, local administrator passwords and emergency fallback access. Those identities create an accountability and blast-radius problem because multiple operators or systems can use the same high-risk access path. Passwordless can obscure the secret from the user, but it does not remove the need for least privilege, session isolation, recording, and just-in-time entitlement issuance when the account remains structurally necessary.

Practical implication: design controls around the privileged account's lifecycle and scope, not around whether a password is typed.

How zero standing privilege changes the access model

Zero standing privilege means no persistent entitlement sits ready for use. Instead, privileges are created for a specific session or task and removed after use, which shrinks the attack window and limits lateral movement. In the article's framing, this matters even in passwordless environments because the security problem is post-authentication risk, not only credential theft. A passwordless login that still leaves standing privilege behind does not meaningfully change the blast radius.

Practical implication: prefer ephemeral entitlements for privileged work, especially where shared or high-impact access cannot be eliminated.

Threat narrative

Attacker objective: The objective is to reach and abuse high-risk privileged systems while bypassing or outlasting weak post-authentication controls.

1. Entry occurs through privileged access paths that are still necessary, such as shared administrator accounts, local admin credentials, service accounts or emergency fallback access.
2. Credential exposure or compromise is reduced by passwordless methods, but attackers can still abuse valid factors, stolen devices, backend keys or already-authorised privileged sessions.
3. Escalation follows when standing privilege, weak session isolation or shared access lets the actor move laterally or retain access beyond the intended task boundary.
4. Impact lands in privileged systems and high-value infrastructure because the control failure is not login alone, but ungoverned high-risk access after authentication.

Breaches seen in the wild

• Azure Key Vault Contributor escalation 2024: Datadog found Azure Key Vault Contributor could add itself to access policies and read every secret, key and certificate in a vault.
• BeyondTrust breach 2024: A stolen BeyondTrust Remote Support API key let a China state-sponsored actor reset accounts and reach US Treasury workstations in 2024.

Read and download The State of NHI & AI Agent Breach Report 2026, covering 200+ breaches impacting Non-Human Identities including AI Agents.

NHI Mgmt Group analysis

Passwordless is not an access-governance model. It changes how a user or workload authenticates, but it does not decide what that identity may do once authenticated. High-risk access still needs policy, boundary enforcement and review. The field keeps overloading authentication changes with governance expectations they cannot satisfy.

Shared privileged access remains the structural exception that breaks passwordless purity. Root accounts, local administrator passwords and emergency fallback paths are not eliminated by a new login method. They still require lifecycle control, session-level constraints and tighter visibility than ordinary access because they can never be treated as low-risk identities.

Zero standing privilege is the more durable control objective than password removal. When entitlements are created only for the task and removed afterward, the organisation reduces blast radius regardless of whether the login factor is a password, passkey or hardware token. That is why modern PAM programmes should measure privilege persistence, not just password count.

Privileged session control becomes more important as authentication gets easier. Passwordless can make access friction lower, which means governance must move closer to the session, the entitlements and the audit trail. The article reinforces a basic identity security truth: the easier it is to authenticate, the more important it becomes to constrain what happens next.

Identity security leaders should stop treating passwordless as the destination. It is a transport change for the first mile of access, not a substitute for PAM, ZSP and session governance. Teams that frame it as the endpoint will underinvest in the controls that actually contain privileged compromise.

From our research library:

• 97% of NHIs carry excessive privileges, increasing unauthorised access and broadening the attack surface, according to the Ultimate Guide to NHIs.
• Read next: Privileged Access Management Guide

What this signals

Ephemeral authentication does not solve entitlement persistence. When access still exists after the task is complete, the control failure is not the login factor but the lifespan of the privilege itself. Teams should measure how long privileged access remains active after issuance, because the most dangerous exposure is often what survives authentication.

Privileged session governance is where passwordless programmes succeed or fail. If users authenticate without passwords but the session is not isolated, recorded and bounded, the organisation has only removed one weak point while leaving the operational risk intact. That shifts investment toward session review, break-glass governance and least-privilege issuance.

Zero standing privilege becomes the better metric for maturity than password elimination. Removing passwords from the front door is useful, but it is not the same as reducing blast radius. The real test is whether privileged access can be created for a task and removed before it becomes reusable.

For practitioners

• Map remaining privileged access paths Inventory where passwords still exist for root accounts, local administrator accounts, service accounts, application secrets and emergency access. Classify which of those identities can be removed, which must be obscured and which require stronger session controls.
• Enforce zero standing privilege for elevated work Issue entitlement only for the specific task or session and remove it immediately after use. Prioritise cloud admin, infrastructure and third-party support paths where persistent privilege creates the largest blast radius.
• Isolate and record privileged sessions Route sensitive access through proxy or bastion controls, capture session activity and make reviewable recordings available for incident response and audit. This is especially important where passwordless login would otherwise obscure the trail.
• Harden backup and emergency access Keep break-glass access available, but govern it separately with tighter approval, monitoring and rotation rules than ordinary access. Passwordless failures make these paths more important, not less.
• Reassess audit evidence for privileged work Confirm that auditors can still trace who used which privileged entitlement, when it was created, what session occurred and how it was removed. Passwordless controls that weaken evidence quality create compliance drag.

Key takeaways

• Passwordless authentication changes the first step of access, but it does not remove the need to govern privileged entitlements, sessions and emergency paths.
• The article centres on high-risk identities that still need defence in depth, including shared administrator accounts, service accounts and root access.
• Zero standing privilege and privileged session controls are the mechanisms that actually reduce blast radius when passwords are no longer the primary issue.

Key terms

• Passwordless Authentication: An authentication approach that removes passwords and uses a device-bound cryptographic key plus local user verification. It reduces phishing and replay risk, but it only improves assurance when enrollment, recovery, and revocation are tightly governed.
• Zero Standing Privilege: A control model in which an identity does not keep persistent access unless it is actively needed. For NHIs, this means credentials and permissions are issued for a narrow task and then removed. It reduces the time window and reuse value of stolen access.
• Privileged Access Session Management: A control pattern that brokers and monitors privileged sessions, often through shared administrative credentials. It supervises what happens inside the session, but it does not necessarily reduce how much privilege exists outside the session boundary.
• Break-glass Access: Break-glass access is an emergency path that bypasses normal access controls when standard authentication fails or a critical incident demands immediate intervention. It must be tightly time-bound, logged, and reviewed, because it exists to restore operations without becoming a permanent back door.

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