Hardware token for two factor authentication in ProtonMail

 

2 Factor Authentication (2FA) adds an additional layer of security to your ProtonMail account by adding an additional verification to the login process to protect your account. Currently, ProtonMail supports the TOTP protocol, so accounts with 2FA enabled will be prompted to enter a 6-digit code upon logging in. This 6-digit code can be generated by an app that is installed on your mobile phone or alternatively a programmable hardware token from Token2. The guide below describes the enrollment process.


Requirements: 

  • A ProtonMail account (free or paid)
  • A Token2 programmable token (the guide below shows miniOTP-1 as an example)
  • An Android device with NFC - this is needed for the enrollment only, subsequent logins will only require the hardware token


1. Visit the Security tab within the Settings of your account. This can only be done through the web version of ProtonMail found at mail.protonmail.com

2. Select Enable Two-Factor Authentication

Hardware token for two factor authentication in ProtonMail

3. Open the Token2 Burner app  on your mobile device and click the button to scan a QR code, or manually enter the authentication key (base32 format is to be used). To scan the code, point your devices camera at the QR code seen in the setting of your ProtonMail account. (Note: the image below is a demo, do not scan it. Scan the image shown in your account.)

Hardware token for two factor authentication in ProtonMail

4. You will see the following modal that requires you to enter the Login password of your account, along with the two-factor passcode which you will see displayed on your hardware token.

Hardware token for two factor authentication in ProtonMail

5. ProtonMail will also provide you with several one-time use recovery codes. Please save these codes in a secure place and do NOT lose them. If you ever misplace or lose your authentication device (mobile phone, etc) these codes will be the only way to log into your account. If you ever lose your hardware token, you can enter these codes instead of the 6-digit authenticator code. Note, each code can only be used once, and they must be used in the listed order, so please save all the codes.

Hardware token for two factor authentication in ProtonMail

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