Recently, WebAuthn support for Google accounts on Apple devices was announced, which will enforce higher security during login for Google accounts on iPhones and iPads used for personal and business use.
This article will summarize 2-step authentication for Google accounts on Apple devices using security keys such as YubiKey 5 NFC and YubiKey 5Ci.
Prerequisite
Enable the 2-step authentication process for the Google account.
Environment
・Apple device
・iPhone 7 or later (iOS 13.3 or later)
※NFC enabled
・iPad (iPad OS 13.3 or higher)
※Limited to USB connection
・Browser
Safari
・YubiKey 5 NFC and YubiKey 5Ci can be used for 2-step verification for Google accounts if the settings are the same as those used at the time of purchase.
If YubiKey settings have been rewritten in YubiKey Manager, the following items must be checked to use YubiKey.
※YubiKey 5Ci does not have an NFC feature.
The FIDO U2F of the USB interface and the FIDO U2F of NFC of the Interfaces must be checked.
2-step Authentication
If the Apple device has the appropriate OS version, one can use 2-step verification for their Google account without any special settings. The 2-step verification introduced in this article is based on two patterns: USB connection and NFC.
Log in to the Google account using the Safari browser.
Enter the "Password" and press "Next.
Press "Next" on the 2-step verification process.
A pop-up will appear, asking one to use a security key.
To Use NFC
If the authentication is successful, the completion page will be displayed.
※ If the "Do not show on this computer next time" is checked, the 2-step verification process will not be displayed the next time one logs in.
For USB Type-C or Lightning connection
Insert the YubiKey 5Ci into the iPhone or iPad.
The metal part of YubiKey will flash; please touch it.
If the authentication is successful, the completion page will be displayed.
※ If the "Do not show on this computer next time" is checked, the 2-step verification process will not be displayed the next time one logs in.
Conclusion
Setting up 2-step verification for one’s Google account is a great way to increase the security of their Apple device. In addition, it is recommended to set up two YubiKeys for 2-step verification in advance in case one is lost.
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