what is tow factor authentication
What Is Two-Factor Authentication (2FA) and How Does It Work? In today’s digital world, protecting your online accounts is more important than ever. Many people use passwords to protect their email, social media, banking, and other online accounts. However, passwords can sometimes be stolen, guessed, or exposed in data breaches. This is where two-factor authentication (2FA) becomes useful. What Is Two-Factor Authentication? Two-factor authentication, commonly called 2FA , is a security method that requires two different forms of verification before you can access an account. Instead of relying only on your password, 2FA adds another security step. Even if someone gets your password, they may still be unable to access your account without the second verification method. For example, when you sign in to an account, you may first enter your password. The service may then ask you to enter a six-digit code sent to your phone or generated by an authentication app. You must ...