Since only you have access to that, no one can access your account even if they know your password. When this happens, the website or app will prompt the person trying to access the account to provide the dynamic code from iOS's built-in authenticator. The 2FA comes into action when you or someone tries accessing your account using an unrecognized device. These are recognized devices, and every time you log in through them, you won't have to deal with 2FA. Suppose you log into Facebook using your iPhone and iPad. How to Log in with the Authenticator Code The changes every 30 seconds, so make sure you copy this code and paste it into Facebook's 2FA section within 30 seconds or the code will expire. Note: Like passwords, iOS hides verification codes in screenshots here. Don't Miss: Secure Your Facebook Account Using 2FA - Without Making Your Phone Number Public.Next, tap Menu at the bottom, choose "Settings & Privacy," and open "Settings." Step 1: Open Facebook's Settingsįirst, open Facebook on your iPhone and sign in if you're not already. Still, it's usually pretty intuitive if you know your way around the settings. The exact process of setting up and using authenticator codes for a website or app may differ from Facebook's. I'll show you how to use the new feature by setting up 2FA on Facebook, but you can use authenticator verification codes on Discord, Dropbox, LinkedIn, and Twitter, to name just a few. You can use the iOS 15 authenticator on any website or app that supports authenticator apps as a 2FA method. The bottom line is if you're knee-deep into Apple's ecosystem, iOS 15's built-in authenticator can be a lifesaver. That means you can use your iPad to access your Facebook or Instagram even if you lose your iPhone. That can make accessing your Facebook account one severe headache, one that you might not be able to treat.Īpple's built-in authenticator can sync to your iCloud so that it's on all of the devices you have connected to your Apple ID. If you lose your iPhone, you'll lose Google Authenticator with it. Suppose you've enabled 2FA for Facebook via Google Authenticator on your iPhone. What Makes Apple's Authenticator Stand Out? Google Authenticator, Microsoft Authenticator, LastPass Authenticator - they can all be used as your authenticator app, but Apple built its own authenticator into iOS 15, and you don't even need to worry about installing another app. If a hacker tries to access your account but doesn't have your phone, they can't log in. Authenticator apps generate codes on your phone every 10–15 seconds, and you have to use one to log in before it expires. While a physical security key is the best way to keep your accounts secure, authenticator apps are the next best thing, providing much better security than push, email, and SMS codes. Hackers can easily intercept, spoof, or phish for the codes, and they can even social engineer the information needed to get the codes from the carrier itself (SIM swap scams are a common attack vector). Push notifications, emailed PINs, and SMS-based confirmation codes aren't foolproof. Your iPhone makes this even more convenient with its "AutoFill" feature, which can automatically load the verification code into the website or app without you having to copy it or type it out. When signing in, you get an SMS code texted to your phone number, and you plug that in where requested to authenticate your login. Many people prefer SMS codes as their 2FA method, and that's partly because almost every 2FA-supported account supports it by default. This process is easier than ever thanks to iOS 15. The second factor can be a recovery code, physical security key, or one-time password (OTP) that only you can access, even if someone else has your password. Most websites and apps support two-factor authentication (2FA), which adds an extra layer of security to your accounts by requesting another form of identification beyond username and password.
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