Twitter: Activate two-factor authentication

Give your Twitter account more security by enabling two-factor authentication. Then Twitter asks for a second security code from an unknown browser or PC.

Enable two-factor authentication for Twitter

Twitter makes it possible to carry out a confirmation via the cell phone number or app.

1. First go to the cog in the top right corner and select "Settings" from the drop-down menu.
2. You will find the registration confirmation under "Security and data protection" in the left menu.
3. If you haven't added a phone number yet, you can do so using the "Add phone" link.
4. After adding your phone, you will receive a verification code. Enter this to enable two-factor authentication.
5. You will now be prompted for the security code when you log in from a third-party browser. This is either sent to your mobile phone via SMS or to the app by message.

In further practical tips, we will show you how to activate two-factor authentication in Yahoo or Facebook.