![]() Google has also defined a mechanism to use your phone to sign in on another device, which is crucial when you need to access your account from a shared device. According to Google, any biometric data is not shared outside of the signing device, which only sends out the public key and the signature. Alternatively, a more traditional PIN can be used. The challenge can only be signed if the user unlocks their device, a step which can leverage advanced biometric hardware available on many devices, including fingerprint and face recognition. The signature proves to us that the device is yours since it has the private key, that you were there to unlock it, and that you are actually trying to sign in to Google and not some intermediary phishing site. When a user attempts to sign in to Google using a passkey, Google will ask their device to sign a challenge using the private key. Under the hood, passkeys are cryptographic private keys that are stored on users' devices, while the corresponding public keys are uploaded to Google. In fact, as strong as they may be, passwords do not protect users from the possibilities of phishing and are ever more frequently used along with an additional mechanism, two-factor authentication (2FA), which has its own drawbacks. Passwords are notoriously hard to manage for users, who need to create and remember a multitude of strong passwords, distinct for each service they use. And, unlike passwords, passkeys are resistant to online attacks like phishing, making them more secure than things like SMS one-time codes. Passkeys let users sign in to apps and sites the same way they unlock their devices: with a fingerprint, a face scan or a screen lock PIN. Passkeys will be available as an additional authentication option alongside pre-existing mechanisms, including passwords, 2-step verification, and so on.Īccording to Google, passkeys provide an easier and more secure way for an user to get authenticated. ![]() Google has begun rolling out support for passkeys across Google Accounts on all major platforms. ![]()
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