requires a hardware device (Yubico app will work as software token in the future).guarantees protection against man-in-the-middle attacks (MITM) and phishing.private key is stored locally on U2F device.Comparison of different options for 2FA Security device: U2F (recommended) Mozilla is integrating U2F support into one of the next versions ofĮven though, we and the security community, consider U2F as the most secure option, support for other options (TOTP) is also Request is sent to the server that allows you to login to your account.Ĭhrome and Opera are currently the only browsers supporting U2F natively. When you plugin the 2FA-device, the authentication The private key that allows access to your account is stored locally on this device. U2F is an open authentication standard that strengthens and simplifies two-factor authentication using specialized USB or NFC devices. It is also the most convenient oneĪs you can simply plugin the U2F device to login to your account without the necessity of entering codes manually. The most secure option for 2FA is U2F, which the Tutanota beta client now supports (see comparison below). Our developers and cryptography professionals have carefully reviewed and tested lots of methods for two-factor authentication. Users know how important maximum security is, 2FA-support is also one of the most voted-for featuresĬheck our password security guide to learn more about how to secure your online accounts and our tips your password) to allow you to login to your secure mail account. Two-factor authentication immensely increases the security of your account by requiring something you have (e.g. by installing a keylogger on your device, remains. That it is close to impossible to get access to your password via brute-force attacks,Ī minor risk that someone steals your password, e.g. Our built-inĮnd-to-end encryption makes sure that only you with your password can decrypt your mailbox. At Tutanota we are committed to developing the most secure mail service to protect everybody's universal right to privacy.
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