Match the authenticator to the risk
Passkeys may synchronize across a user's devices or remain bound to a device or hardware security key. Synchronization improves recovery and broad adoption; device-bound credentials provide tighter physical control. Administrators, finance workflows and critical systems may need a stricter profile than normal office access.
Test the complete sign-in chain
Review SSO, VPN, VDI, mobile applications, legacy protocols, emergency accounts, contractors and recovery. A phishing-resistant front door adds little if an old login path remains available. Decide whether attestation is required, which security-key models are allowed and how managed devices are distinguished.
Design enrollment and recovery
Initial registration must rely on an already verified identity. Define separate procedures for onboarding, a replaced phone, a lost key and a locked device. Help desk staff should not be able to bypass strong authentication after a brief call. Provide a second authenticator or a controlled recovery path, log key registration and removal, notify the user and revoke sessions quickly after an incident.
Roll out in stages
Pilot with employees using different operating systems, browsers, mobile devices and remote access. Measure successful enrollment, sign-in errors, support requests and recovery time. Expand to privileged and highly targeted groups while maintaining a time-limited compatibility period.
Close legacy bypasses
The transition is complete only when phishing-vulnerable methods are disabled wherever policy requires. Review old sessions, legacy authentication protocols, recovery codes and help-desk exceptions. A good deployment improves both security and usability: the employee gets a clear device confirmation, while security gains domain binding, managed policy and an auditable credential lifecycle.