Imagine opening your email, shopping account or another online service without typing a password. Instead, you simply use your fingerprint, face recognition or phone screen lock. This is how passkeys work..Passkeys are a modern sign-in technology designed to reduce dependence on traditional passwords. They are supported by major technology platforms, including Google, Apple and Microsoft, and are intended to make account access easier while improving protection against phishing..But are passkeys safe? How do you set one up, and what happens if you lose your phone? Here is everything you need to know..
What Are Passkeys?
A passkey is a digital credential that lets you sign in to a compatible website or app without entering your usual password..Instead of relying on a password that you must remember, a passkey uses cryptographic keys connected to your account. You approve the sign-in using your device's screen lock, fingerprint, face recognition or another supported verification method.
For example, if you enable a passkey for your Google Account, you may be able to sign in by selecting your account and unlocking your phone rather than typing your password..Passkeys are based on standards developed through the FIDO Alliance and the World Wide Web Consortium. They are designed to work across supported devices, browsers and services..
How Do Passkeys Work?
The technology may sound complicated, but the process is relatively simple for users.
When you create a passkey, your device generates a pair of cryptographic keys:-
- Private key: Used by your device to prove that you are authorised to sign in.
- Public key: Registered with the website or app to verify that proof.
When you sign in, the service sends a digital challenge. Your device uses the private key to respond after you approve authentication. The website verifies the response using the public key.
The private key is not sent to the website as a password would be.
This design also helps protect against fake login pages because a passkey is associated with the genuine website or app for which it was created..
Why Are Passkeys Considered Safer Than Passwords?
Traditional passwords can be guessed, reused across multiple websites, stolen through phishing or exposed in data breaches. Passkeys address several of these weaknesses..
1. Protection Against Fake Login Pages
A fraudulent website may look almost identical to a real banking, email or shopping website. If you enter your password on the fake page, an attacker may steal it.
Passkeys are designed to work only with the website or app to which they are registered. This provides strong protection against conventional phishing attacks.
2. No Password to Remember
You do not need to create and remember another complex password for every supported account. Your device or passkey manager handles the credential.
3. Reduced Risk From Password Database Breaches
A website storing passkeys keeps the public key rather than your private key. Stealing that public key alone does not give an attacker the private key needed to authenticate.
4. Your Biometric Data Stays on Your Device
When you use a fingerprint or face scan to approve a passkey sign-in, the biometric check is performed locally by your device. The website does not receive your fingerprint or face scan as part of the passkey authentication process..These protections make passkeys a useful security improvement, although the security of your device, recovery methods and passkey provider still matters..
How to Create a Passkey for Your Google Account
If you want to try passkeys, you can start with a service that supports them, such as your Google Account..
- Open your Google Account settings at myaccount.google.com.
- Go to the Security section.
- Look for the option related to passkeys or passkey management.
- Follow the on-screen instructions to create a passkey.
- Verify your identity using the method requested by your device.
- Review the account's recovery options and security settings.
The exact screens may vary depending on your device, operating system and account settings.
You can also check whether other services you use support passkeys. Look in their account security or sign-in settings for an option to create a passkey..
Important: Use the official website or app to set up a passkey. Never follow an unexpected message asking you to create a passkey through an unfamiliar link..
What Happens If You Lose Your Phone?
This is one of the most important questions to consider before switching to passkeys.
Your ability to recover access depends on where your passkey is stored and whether it is synchronised with a compatible passkey manager.
Some passkeys can sync securely across devices through services such as Google Password Manager or Apple's iCloud Keychain. Others may be tied to a particular device or security key.
If you lose your phone:
- Try using another device that has access to your synchronised passkeys.
- Follow the service's official account recovery process if necessary.
- Keep your recovery email and phone number up to date.
- Protect the main account that synchronises your passkeys with strong security settings.
- If your phone is stolen, use the manufacturer's official lost-device tools to lock or erase it where appropriate.
Do not assume every passkey will automatically be available on a replacement phone. Check your provider's recovery and synchronisation arrangements before relying on passkeys for important accounts..
Are Passkeys Completely Risk-Free?
No technology removes every security risk..Passkeys can substantially reduce risks associated with stolen passwords and fake login pages, but other threats remain. Someone who gains access to your unlocked device may be able to access accounts, depending on your settings. A compromised device or an insecure account-recovery process can also create problems.
Not every website or app supports passkeys yet. Some services may still ask you to use a password or another recovery method..For this reason, keep your phone's operating system updated, use a strong screen lock, review your signed-in devices and secure the account used to sync your passkeys..
Passkeys vs Traditional Passwords
FeatureTraditional passwordPasskeyWhat you useA password you enterA registered digital credentialEasy to forgetYesNo password to memorise for that sign-inVulnerable to conventional phishingYesDesigned to resist itCan be reused across websitesOften, if users chooseEach passkey is tied to its registered serviceRecoveryPassword reset or other recovery methodsDepends on the passkey provider and serviceAvailabilitySupported by most online servicesOnly available where supported..
Should You Start Using Passkeys?
If a trusted service you use offers passkeys, they are worth considering as an alternative to password-based sign-in. They can make logging in more convenient while providing stronger resistance to phishing..Start with one important account, learn how its passkey and recovery options work, and then consider enabling passkeys for other compatible services..You do not have to change every account at once. A gradual approach lets you understand how your devices and passkey manager work together before relying on the technology more widely..
