![]() You can’t lock the software itself, so if someone unlocks your phone, they can access your codes. It doesn’t back up your account codes online. Google Authenticator’s simplicity comes at the expense of some features. Setup is as easy as taking a picture of a QR code. Google’s authenticator app is simple and easy to use and works on both iOS and Android. RELATED: See how hackers can get around your 2FA texts Google Authenticator Let’s check out some of the more popular ones. Not all apps are compatible with all platforms, so that’s a factor to consider as well. You want an authenticator app that securely backs up your account info in case you lose or replace the device you installed it on. Which authenticator app is right for you? After that, whenever you log in to that site, it sends a code to your app generated from the secret key initially created plus the current time. Setting up an authenticator app with a site usually consists of scanning a QR code with the app to save a secret key. You don’t need to provide a phone number to the app, and the app itself is unique to your phone. The code expires after 30 seconds, so if someone manages to get a hold of it, it won’t work after that time has passed. It generates one-time passcodes consisting of 6-8 digits every 30 seconds. Authenticator appsĪn authenticator app is usually installed on your smart device. The problem is your phone or SMS can be hacked, giving access to that code to an unwelcome party. ![]() Only you should be able to unlock your phone and see the passcode, so there’s your 2FA. Take, for example, a passcode sent to your phone. If any of these factors aren’t recognized, you won’t be able to get into your account. ![]()
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