Two-Step Verification on Hotmail offers impenetrable security features against hackers and cybercrime. This feature is also known as 2FA or 2Factor Authentication. Enabling 2FA on Hotmail means adding an extra layer of security. Save and security of the emails data is one of the biggest benefits of two step verification on Hotmail. If you have added a phone number to your Hotmail account, you can easily set up a 2FA.