Passwords create two recurring problems for schools: they are difficult to manage at scale and easy to steal through convincing sign-in pages. Multi-factor authentication improves protection, but codes sent by text message or generated in an app can still be captured in real time. Passkeys offer a different approach.
A passkey uses cryptographic keys rather than a shared secret typed into a website. One part remains with the service and the other is held on a trusted device or physical security key. The Australian Cyber Security Centre describes passkeys as faster and more secure than passwords and recommends phishing-resistant authentication for sensitive systems.
Security is only one part of readiness
A school should not begin by asking whether passkeys are technically superior. It should ask who owns the device holding the passkey, how a user recovers access, what happens when equipment is shared, and which systems still allow weaker sign-in methods.
Staff with privileged access are a sensible priority because compromise can affect many users and services. Business, payroll, identity administration and remote access accounts may also justify stronger controls before a student-wide rollout.
Plan recovery before enrolment
A secure sign-in method can become an operational problem if recovery depends on one administrator or an unavailable device. Schools need a documented process for lost phones, damaged keys, staff departures and emergency access. Backup credentials should be protected as carefully as the primary method.
Shared classroom devices require particular care. A passkey synced to a personal account may be inappropriate, while a device-bound credential may complicate replacement. The design should reflect the school’s device model rather than copy consumer guidance.
Do not leave the weak door open
If users can bypass a passkey with the same old password, much of the benefit is lost. The Australian Cyber Security Centre advises disabling password sign-in where the provider permits it. Before making that change, schools must confirm support, recovery and accessibility arrangements.
Run a small pilot
Select one low-disruption service used by a small group of staff. Record enrolment time, support requests, recovery steps, device compatibility and any accessibility issues. Test a lost-device scenario rather than assuming recovery works.
The pilot should include the service desk and a person responsible for risk, not only enthusiastic technical staff. Ask whether the change reduces workload as well as risk.
Readiness is a human-system question
Passkeys remove a password from the sign-in exchange, but they do not remove identity administration. Someone still decides how a new credential is enrolled, how a departing staff member is removed and what evidence is required during recovery. Those decisions are particularly important in schools, where personal devices, managed devices, shared computers and casual staff may all sit inside the same environment.
A 2024 USENIX Security study of organisations deploying FIDO2 passwordless authentication found that the main obstacles were not confined to cryptography. Interviews highlighted integration with existing systems, account recovery, user support and the surrounding platform ecosystem. The lesson for schools is straightforward: a technically secure option can still fail if the recovery path is confusing or if a legacy service forces users back to passwords.
The pilot should therefore include people who are likely to encounter exceptions. A staff member changing phones, a casual teacher without the usual device and a user requiring an accessible authentication method will reveal more than a demonstration in ideal conditions. Schools should also record whether the service creates a new dependency on a personal cloud account or a particular device vendor.
Research: Why Aren’t We Using Passkeys? Obstacles Companies Face Deploying FIDO2 Passwordless Authentication.
Begin tomorrow
Create an inventory of five high-value accounts and record the authentication methods each supports. Mark which accounts offer passkeys or hardware security keys, who administers them and what fallback remains enabled. That small exercise turns a fashionable security term into a practical migration decision.
Passkeys are not a universal switch. Used in the right order, however, they can remove the very thing phishing attacks are designed to steal.
Guidance: Australian Cyber Security Centre advice on passkeys and phishing-resistant multi-factor authentication.
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