You can now enable two-factor authentication for your Nintendo accountNintendo has introduced two-step verification using Google Authenticator to better protect your cherished Nintendo account.
That's right - Nintendo has finally joined other gaming companies in offering two-factor authentication, so all your games, info, and screenshot hoards can be more secure than ever. If you opt in, you'll now be asked for a special code (generated using Google Authenticator) as well as your usual password when logging into your account. You'll need to get the Google Authenticator app if you haven't already, but it's free to download on the App Store so that should be relatively painless.
Note: You can use any app that supports OTP (one-time password) generation — like 1Password — in place of Google Authenticator.
Here's how to enable two-step verification for your Nintendo account (taken directly from Nintendo's support page):
Go to the Nintendo Accounts page and log in.
Select "Sign-in and security settings," then scroll down to "2-Step Verifica...
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You can now enable two-factor authentication for your Nintendo account
