Android users have been using their phones as Google security keys for some time, and now Google is finally making a promise to bring the same functionality to iPhone. An update to the Google Smart Lock app this week turns your iPhone into an honest FIDO2 key that you can use to use the secure enclave to skip SMS and protect your accounts.
So far, it only works with Google accounts, but it works A great tool for security-conscious users. Instead of relying on one-time passwords sent via SMS, you can use your iPhone to log into your account quickly and securely on another PC, Mac or iOS device without having to spend money on a separate hardware key. This method doesn't work on Android phones and all browser activity must be done with Chrome. Every iPhone with a secure enclave works, so every phone after the iPhone 5S. (It is unclear whether the iPhone 5S supports this feature because it contains a secure enclave but does not support iOS 1
Of course, two-factor authentication (confirmation in two steps here) must be activated for your Google account so that you can use the additional security level do it now. Once this is set up, it works as follows:
- Download or update the Google Smart Lock app from the App Store.
- Log in to the account that you want to use as a security key.
- Follow the instructions to set up your phone's built-in security key
- Tap Manage accounts and select your account with the security key enabled. Two-step verification
- Scroll down to Your second step
- If your iPhone is not available, tap Add security key and dial your phone from the list from
And that's all you have to do. Now when you sign in to a Google service on a new device, you can use your iPhone to authenticate your account.
As long as they are in Bluetooth range (and Bluetooth is enabled for both accounts), you will be asked to sign in when you sign in to your iPhone. If you set up a Google account on a new device, you can quickly check if It is you without fear of someone stealing your texts. And if you forget your iPhone, you can still choose SMS as an option or use an authenticator app by choosing “Sign in a different way”.