A two-Factor authentication is a form of a security system for our accounts that requires two levels of identification to access it. Also known as two-step verification, this combines your password and username with your phone and your physical security key such as your fingerprint. When you are accessing something online, many sites will ask you to enter a username or password to log in. This is known as one-step verification. However, enabling two-step verification takes you to two stages of verification. The first stage is your username and password. In the second stage, the site will send you a text message to your mobile which will contain a six-digit code or a four-digit code. This code has to be entered to enter the site. This code is known as authenticator or a passcode or verification code
When you enter an online account with a username and password it is single-step authentication. Here all you need is your password to verify that you are who you are. With 2FA you have to provide a password and a passcode. Most of the apps and services provide 2FA especially for the ones that store sensitive data such as emails, financial information, files, social media, contact details, and so on. The high-risk accounts such as Netflix doesn’t have this form of multifactor authentication.
Gone are the days when you blindly trusted your password to protect your accounts. There are various forms of breaches with just a password as anyone can memorize the password. It can also be susceptible to credential stuffing and brute force attacks by hackers. Enabling two-factor authentication services in the right place protects your customer’s account from automated login attacks.