Screenshot: Apple In a demonstration, Apple showed how the new feature could remove the need to ever create a password to sign in to an app or website in the first place. Instead of creating a username and password during the sign-up process like normal, Apple authentication experience engineer Garrett Davidson just enters a username and allowed the app to register his Face ID as a Passkey. Then he showed how he could use Face ID to log into the app in future, or even log into his account via the service’s website. It works on Macs with Touch ID, too.
Although passwords are currently the most popular way to secure accounts, they’re plagued with a host of problems. Passwords can be phished, forgotten, and they’re insecure if not used properly (think about the number of times you’ve been tempted to re-use one across multiple accounts). But Apple thinks its new Passkeys solution can solve these problems, as shown by the comparison table below. Apple argues its new system is more secure than regular passwords, and more convenient than security keys. The functionality rests on the WebAuthn standard, which Apple, Google, Microsoft, and others have been slowly adding support for over time. Last year Apple added support for it to offer password-less logins in Safari in iOS and macOS. But the new approach goes deeper, integrating WebAuthn into an app’s sign-up process, and syncing your credentials across Apple devices via iCloud.
Behind the scenes, WebAuthn uses public key cryptography to let you log in without your private credentials ever having to actually leave your device. Instead, your phone or computer is only sending a “signature,” which proves your identity without having to share your secret private key. WebAuthn’s process means your most sensitive information never leaves your device when you log in.
Screenshot: Apple Apple admits that the feature is in its early stages. It’s only releasing in preview this year, and will be turned off by default in iOS 15 and macOS Monterey. Developers can enable it, but it’s not meant for widespread use. There’s also the obvious limitation that the feature relies on iCloud to function, so you’re out of luck if you need to log in to the same service on a Windows or Android device. Apple admits this is a problem, however, suggesting it’s working towards improving cross-platform support in future. Apps and websites will also need to enable support for the new process. But the move is another sign of the growing momentum behind ditching passwords. Microsoft has announced plans to make Windows 10 password-less, and Google has been working to make it possible to sign into its services without passwords.
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