Passwordless authentication challenges expose identity sprawl risk

At a glance

What this is: This is a blog analysis of why passwordless authentication projects struggle, with the key finding that credential management complexity, not the login method itself, remains the main blocker.

Why it matters: It matters because IAM teams have to govern the full credential lifecycle across human, machine, and service identities, not just replace passwords at the front door.

By the numbers:

• Employees frequently have more than 190 different passwords to log into the applications and systems they use every day.
• Studies show that 10% or more of employees can access their former employer's data after leaving.

👉 Read Axiad's analysis of the challenges in moving to passwordless authentication

Context

Passwordless authentication is supposed to reduce reliance on passwords, but the harder problem is identity and credential lifecycle control. When organisations split credentials across multiple IAM platforms, they create operational drag, inconsistent renewal processes, and weak offboarding coverage that can leave access active long after employment ends.

The core governance issue is not whether a factor is modern enough. It is whether the identity programme can manage issuance, renewal, recovery, and deprovisioning consistently across people, devices, and machines. That is why passwordless efforts often fail when they are treated as a front-end authentication project instead of a broader identity control problem.

Key questions

Q: What breaks when passwordless authentication is added without lifecycle governance?

A: The programme becomes harder to manage, not easier, because credentials still exist in the form of tokens, keys, recovery factors, and device registrations. If those assets are spread across multiple systems, organisations lose consistent issuance and revocation control. That creates lingering access, confused ownership, and weak offboarding even when passwords are no longer used.

Q: Why do passwordless programmes still struggle with access risk?

A: Because the risk moves from password reuse to credential sprawl and lifecycle gaps. Passwordless only helps when the organisation can govern every authenticator end to end, including renewal, recovery, and removal. If those processes remain fragmented, the attack surface and administrative burden stay high even though the login experience changes.

Q: How do teams know whether passwordless is actually improving security?

A: Look for evidence that offboarding is complete, recovery is controlled, and every authenticator is visible in one governance system. If users still keep active fallback factors after departure or support teams cannot revoke access quickly, the programme is improving convenience but not security.

Q: Who is accountable when a former employee still has access after offboarding?

A: Accountability sits with the identity and access governance function, but the failure often spans HR, IAM, help desk, and application owners. If passwordless credentials are not tied to a clear deprovisioning workflow, the organisation cannot prove that access ended when employment ended.

Technical breakdown

Why distributed credential stores make passwordless harder

Passwordless authentication still depends on credentials, just different ones such as FIDO keys, OTP tokens, platform-bound authenticators, or device trust material. When those credentials are spread across multiple IAM systems, the organisation loses a single source of truth for issuance, renewal, and revocation. That fragmentation creates duplicated records, inconsistent policy enforcement, and different recovery paths for different applications. The result is not just user friction. It is a governance gap where identity state is no longer coherent across the stack.

Practical implication: map every passwordless credential type to one lifecycle owner and one authoritative system of record.

How offboarding failures become an access risk

The article highlights a familiar lifecycle problem: deprovisioning often lags when employees leave. In passwordless environments, that risk does not disappear because passwords are gone. If recovery credentials, device registrations, tokens, or alternate authenticators remain active, the former user can still reach systems and data. This is a lifecycle failure, not an authentication failure. Access removal has to cover all bound authenticators, not just the primary login method.

Practical implication: treat offboarding as credential invalidation across every authentication path, not a single account disablement event.

Single-platform orchestration and identity governance

Axiad frames passwordless orchestration as a way to consolidate user, machine, and device authentication. Technically, that means reducing the number of places where credentials are issued and managed so policy, renewal, and recovery can be handled consistently. That approach can improve visibility, but only if the platform is integrated with IAM governance, help desk workflow, and access review processes. Otherwise, consolidation becomes a new silo with better branding and the same lifecycle weaknesses.

Practical implication: validate whether passwordless tooling actually shortens the revoke, renew, and recover paths before standardising on it.

NHI Mgmt Group analysis

Passwordless success depends on lifecycle control, not factor novelty. The article shows that removing passwords does not remove identity risk when credentials are still fragmented across systems. The real governance challenge is whether organisations can issue, renew, and revoke every authenticator through a consistent lifecycle model. Practitioners should read passwordless as an identity governance programme, not a point solution.

Credential sprawl is the hidden failure mode behind many passwordless programmes. When employees manage dozens of authenticators across different platforms, the organisation loses coherence in policy enforcement and recovery. That creates a brittle operating model where security improvements at the login layer mask weaker control elsewhere. The practical conclusion is that consolidation is a governance requirement, not just an architecture preference.

Offboarding remains the highest-risk moment in passwordless environments. The article's 10% access-after-departure finding shows how easily lingering credentials can outlive employment. This is not solved by changing the authentication method if deprovisioning is slow or incomplete. IAM teams should treat passwordless as a test of whether lifecycle controls are actually enforced end to end.

One credential platform can reduce friction, but it can also centralise failure if governance is weak. Consolidation improves visibility only when it is tied to provisioning, recovery, and recertification discipline. Without that, a single platform simply concentrates the same unresolved access problems. Practitioners should evaluate passwordless by its lifecycle outcomes, not by the number of logins it removes.

Consolidated passwordless orchestration changes the identity control plane, not the underlying accountability model. Users still need recoverable access, IT still owns revocation, and the business still needs evidence that access ended when it should have. That means identity teams must align passwordless deployments with access review and offboarding governance across human and machine identities. The field should stop treating passwordless as an authentication trend and start treating it as lifecycle infrastructure.

From our research:

• Employees frequently have more than 190 different passwords to log into the applications and systems they use every day, according to LLMjacking: How Attackers Hijack AI Using Compromised NHIs.
• Our research also found that 98% of companies plan to deploy even more AI agents within the next 12 months, which means credential governance pressure is expanding rather than shrinking.
• That makes the 52 NHI Breaches Analysis a useful next resource for understanding how identity sprawl turns into real access compromise across modern environments.

What this signals

Credential consolidation will become a governance test, not a convenience metric. Passwordless deployments that reduce user friction but leave recovery, revocation, and offboarding fragmented will not materially improve security posture. Teams should expect more scrutiny on whether their identity platforms can prove complete lifecycle control across people and machines.

The next programme risk is not adoption of passwordless itself, but unmanaged fallback paths that linger after the primary authenticator changes. Organisations that cannot inventory alternate access methods will struggle to demonstrate least privilege, especially when auditors ask how terminated users are fully removed from the environment.

As passwordless spreads, the sharper concept is credential lifecycle coherence. That means one coherent view of issuance, renewal, recovery, and deprovisioning across IAM, help desk, and endpoint trust systems, with evidence that every path is actually closed when access should end.

For practitioners

• Map every passwordless authenticator to a lifecycle owner Document who is responsible for issuance, renewal, recovery, and revocation for each FIDO key, token, device credential, and fallback factor. Put those ownership records into the same governance workflow you use for access reviews so no authenticator sits outside accountability.
• Audit offboarding for alternate access paths Test whether disabling a user account also removes registered devices, recovery factors, and any secondary authenticators tied to that identity. If any path still works after termination, the offboarding process is incomplete.
• Consolidate credential management around one authoritative system Reduce the number of IAM platforms that can issue or manage authenticators, then connect the remaining platform to help desk, provisioning, and recertification workflows. Use the 52 NHI Breaches Analysis as a reference point for why fragmented identity control becomes a recurring exposure pattern.
• Measure passwordless by lifecycle outcomes Track recovery time, deprovisioning completion, and the number of active authenticators per user after offboarding. The goal is to prove that passwordless reduces operational friction without leaving residual access behind.

Key takeaways

• Passwordless authentication reduces reliance on passwords, but it does not eliminate credential management risk.
• Fragmented IAM systems and slow offboarding create the same exposure in a new form, including lingering access after departure.
• The right success measure is lifecycle coherence across issuance, recovery, renewal, and revocation, not simply fewer passwords.

Key terms

• Passwordless Authentication: An authentication approach that replaces passwords with stronger authenticators such as FIDO keys, biometrics, or device-bound credentials. The security value comes from reducing password reuse and phishing exposure, but the control still depends on how well the organisation manages enrolment, recovery, and revocation.
• Credential Lifecycle: The full set of steps that govern a credential from issuance through renewal, recovery, and deprovisioning. For passwordless programmes, lifecycle control matters as much as the authenticator itself because unused or unreclaimed credentials can preserve access after a user should no longer have it.
• Offboarding: The process of removing access when a user leaves an organisation or changes role. In identity governance, offboarding must include every active authenticator and fallback path, not just the primary account, otherwise former users can retain access even when the employment relationship has ended.

Deepen your knowledge

NHI governance, agentic AI identity, and machine identity lifecycle 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 NHI governance in your organisation, it is worth exploring.

This post draws on content published by Axiad: Authentication Moving to Passwordless Authentication, Part 2. Read the original.