![]() ![]() ![]() ![]() To enable two-factor authentication in ProtonMail, you need to click on “Settings” then switch to the “Security” tab, and click “Enable Two-Factor Authentication” in the top-left corner. Tip: 2FA tokens don’t necessarily need to be phones, there are other purpose-built authentication tokens available, however, not all platforms support them. This approach is known as “Something you know and something you have”. It’s much more complicated to know someone’s password and have their phone to be able to access their accounts. Using a physical device as a second factor is done because it offers protection from weaknesses of passwords, specifically that someone else can know your password. Theoretically, a second factor could be any form of authentication such as another password, however, all platforms require a second authentication factor to be a physical device, typically a phone. ![]()
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