Question

What is 2FA (two-factor authentication)?

Answer

Two-factor authentication (2FA) is a security system that requires two separate, distinct forms of identification in order to access something.

Two-factor authentication (2FA) is a security system that requires two separate, distinct forms of identification in order to access something. Sandwich uses your 2FA device and your access to your PC to verify your login.

Two-factor authentication adds an additional layer of security to the authentication process by making it harder for attackers to gain access to a person's devices or online accounts because, even if the victim's computer is hacked, the computer password alone is not enough to pass the authentication check.