Passkey Setup Guide: Secure Your Accounts Without Relying Only on Passwords

Passkeys are a sign-in method designed to reduce dependence on passwords and resist common phishing attacks. Availability and setup differ by service and device, so check the official instructions for each account you want to protect.

What a passkey does

A passkey uses cryptographic credentials associated with a service and unlocked through a supported device method such as a screen lock or biometric check. The service does not ask you to type a reusable password during that sign-in. Passkeys are phishing-resistant when implemented and used correctly, but they do not eliminate every account-security risk.

Set up passkeys carefully

1. Open the service’s official app or type its address yourself.
2. Go to account security or sign-in settings.
3. Choose the passkey option and follow the device prompts.
4. Confirm you can sign in again before removing older methods.
5. Review recovery email, phone and backup options.

Plan for lost or replaced devices

Understand whether passkeys sync through an account or are stored on a specific device. Keep recovery methods current and secure them with strong authentication. For critical work accounts, follow the organisation’s approved recovery and device-management policy.

Keep the rest of your security strong

Use software updates, screen locks and unique credentials for services that still require passwords. Enable multifactor authentication where available, especially for email and financial accounts. Never approve an unexpected sign-in prompt or share recovery codes with someone who contacts you.

Common mistakes to avoid

• Setting up a passkey on a shared or untrusted device.
• Leaving recovery email accounts unprotected.
• Trusting a sign-in link received in an unexpected message.
• Assuming one passkey automatically protects every service.

Follow the official help centre for each platform and keep a recovery plan that you can actually use. Security works best when account access and recovery are both considered.

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