What happens when organisations offer passkeys without a reliable recovery path?

Users can lose access if a browser profile changes, cookies are wiped, or a device is unavailable and no additional passkey exists. Without recovery and multi-passkey support, teams create lockouts that push users back to weaker methods or expensive support channels. A resilient design treats recovery as part of authentication, not an afterthought.

Why Recovery Is Part of Authentication

Passkeys are designed to remove password weakness, but that promise only holds when the organisation can recover a legitimate user who loses a device, resets a browser profile, or moves to a new environment. If recovery is missing, authentication becomes brittle rather than stronger. The result is not just inconvenience; it is a predictable availability and support problem that can undermine adoption, create shadow workarounds, and weaken trust in the login process. Current guidance around resilient identity design increasingly treats recovery as a first-class control, not a fallback convenience.

That matters because users will not wait indefinitely for access when the official path fails. They will pressure support teams, switch to another method if one exists, or abandon the protected workflow altogether. NHI Management Group’s research on identity resilience consistently shows that weak lifecycle control turns an otherwise strong control into a recurring operational burden. In practice, organisations discover this only after a lost device, wiped profile, or account transfer has already interrupted access.

For a broader control lens, the NIST Cybersecurity Framework 2.0 is useful because it frames identity resilience as part of business continuity, not just sign-in mechanics.

How Passkey Recovery Works in Practice

A reliable passkey program assumes that users will lose at least one authenticator over time. The practical question is whether the organisation has another trusted route that preserves account continuity without forcing a reset of the entire identity relationship. That usually means supporting more than one passkey, using verified recovery ceremonies, and defining when a user can rebind a new credential to an existing account.

Good recovery design separates three cases: device replacement, authentic passkey loss, and suspected compromise. Device replacement is the least risky and should be the easiest to complete. Suspected compromise is the most sensitive and should trigger stronger verification before any credential is reissued. The mistake many teams make is to treat these cases as one generic support flow, which either makes recovery too weak or too slow.

Allow at least one alternate passkey or trusted recovery method so account access does not depend on a single device.
Require step-up verification before adding or replacing a passkey, especially after device loss or suspicious activity.
Log recovery events as security events, not just service desk tickets, so patterns of abuse are visible.

Recovery also has to fit the user’s actual operating environment. Browser-bound passkeys, managed laptops, and mobile authenticators fail in different ways, so the recovery path should reflect those constraints rather than assuming a universal flow. NHI Management Group’s passkey guidance aligns with a broader credential-lifecycle view: if the organisation cannot re-establish trust after an authenticator disappears, the authentication design is incomplete. These controls tend to break down when passkeys are the only primary method and the help desk has no trusted way to rebind identity after a device is lost or reimaged.

When credentials and lifecycle control are the main concern, NIST SP 800-53 Rev 5 Security and Privacy Controls provides a stronger control vocabulary for recovery, authentication assurance, and account management.

Common Failure Modes and Recovery Trade-offs

Tighter passkey-only policies often improve resistance to phishing, but they also increase the cost of account recovery unless organisations deliberately design for it. The trade-off is simple: the more you reduce fallback options, the more carefully you must engineer re-enrolment, help desk validation, and exception handling.

One common failure mode is silent lockout. Another is insecure recovery, where the organisation keeps access available by falling back to weaker email-based resets or informal support checks. A third is support overload, where every lost device becomes a manual exception that slows operations and increases fraud exposure. None of those outcomes are caused by passkeys themselves; they happen when recovery is treated as outside the authentication design.

Organisations also need to think about role changes and shared devices. A user may still be legitimate but unable to complete recovery because the original authenticator is gone and no alternative was provisioned. In that case, the issue is governance, not just user experience. A robust design should define when recovery is self-service, when it requires trusted approval, and when the account should be temporarily constrained until identity is re-established.

Teams should be especially cautious where recovery relies on a single human approval path or a single device ecosystem, because that creates a new dependency that can fail at the worst time.

Risk and Threat Considerations

Weak recovery creates both availability risk and account-takeover risk. If the recovery path is too permissive, attackers can target it as the easiest way around passkey resistance. If it is too restrictive, legitimate users get locked out and start bypassing the intended control through weaker fallback methods or informal support exceptions.

Failure mechanism: The risk materialises when organisations allow re-enrolment or account reset without strong proof of control over the original account holder, or when they leave only one enrolled passkey with no alternate binding path. In that state, device loss becomes either a lockout event or an opportunity for social engineering and recovery fraud.

Impact: The immediate consequence is user lockout, help desk strain, and delayed access to business systems. The deeper impact is control erosion: teams either reintroduce weaker authentication paths or accept recovery shortcuts that create a new attack surface.

Standards & Framework Alignment

This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.

NIST CSF 2.0, CIS Controls v8 and NIST SP 800-63 set the governance and control requirements practitioners need to meet.

Framework	Control / Reference	Relevance
NIST CSF 2.0	PR.AA-01 — Identity Management, Authentication and Access Control	Passkey recovery is part of resilient authentication and account access control.
	RS.MA-01 — Incident Management and Recovery	Lost-authenticator recovery affects continuity and recovery operations.
Recommendation — Define and test account recovery paths that preserve access without weakening authentication assurance. Test recovery procedures so authentication failures do not become prolonged service outages.
CIS Controls v8	5 — Account Management	Recovery depends on controlled account re-enrolment and lifecycle handling.
Recommendation — Inventory, govern, and revoke account access paths so recovery stays auditable and bounded.
NIST SP 800-63	6.1.2 — Recovery and Rebinding	This directly addresses restoring authenticators after loss or compromise.
Recommendation — Use recovery and rebind processes that verify control before issuing a new authenticator.

Practitioner Guidance

What to prioritise: Treat recovery design as part of the authentication requirement, not a support add-on. The first question is not whether passkeys are phishing-resistant, but whether a legitimate user can regain access after device loss without weakening the assurance model.

What to verify: Confirm that every high-value account has at least one documented recovery path, that re-enrolment requires step-up verification, and that help desk staff can distinguish device replacement from suspected compromise. If those distinctions are unclear, the recovery process is already too risky to trust.

Decision rule: If the only recovery path is an informal reset or a manual exception, treat the deployment as incomplete and limit rollout until an auditable alternative exists. If multiple passkeys are supported, verify that the second binding can actually be used after the first authenticator is lost.

Practitioner takeaway: The real measure of a passkey program is not whether it prevents phishing during normal login, but whether it preserves secure access when the normal login path is no longer available.