Furthermore, among the sites and services that support 2FA, some only support specific apps. Although most major websites support 2FA, not all of them do. We chose apps that include TOTP and HMAC one-time password (HOTP) support, as well as apps that include backups (read our description of encryption for more). Although 2FA apps are fairly simple - unlike the best password managers - there were still a few areas we paid attention to. Microsoft Authenticator - Also similar to Google Authenticator, but works especially well with Microsoft servicesĪbove all else, security is our main concern.LastPass Authenticator - Similar to Google Authenticator, but works within the LastPass ecosystem.andOTP - An open-source alternative that has more features than the competition.Google Authenticator - A widely adopted standard across major websites.Authy - Easy to use, feature-rich and supports multi-device sync.The code is usually a six-digit time-based, one-time password (TOTP).īefore getting into how we chose them, here’s a rundown of our top five picks: Every time you log in, your app will automatically generate a code, which you’ll need to enter to unlock your account. After turning on 2FA on your account, you can scan a QR code to tie that account to your app. Two-factor apps use one-time passwords (OTP) as your second factor. We’ll also briefly touch on hardware keys that use either a hardware token or fingerprint scanner to approve your login. These apps work on iOS and Android, usually providing you with single-use codes or push notifications on your mobile device. We have a deep dive into what two-factor authentication is if you need more information.įor the purposes of this guide, we’re focusing on 2FA apps like Microsoft Authenticator and Authy. There are some differences between factors, and there are even differences in how one-time codes are generated and sent to you. It works by combining two of the factors listed above, so you might use your password as your main factor and a 2FA app as a secondary factor. Most websites support 2FA in some form, including Amazon, PayPal, Reddit and all major social media platforms.
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