What is 2FA?

Two-factor authentication (2FA) is a type of multi-factor authentication (MFA) security method that strengthens online access by requiring two methods to prove who you are before you can log in. These two factors can include something you know – like a username and password (1st “proof”), plus something like a smartphone authenticator app (2nd “proof”).

what is 2fa

Two-factor authentication (2FA) is a security measure that requires the user to provide two different types of information to prove who they are before access is being granted.

Have you ever seen that little icon next to your email address when you log into an account? That icon is 2FA or two-factor authentication.

When you use 2FA, you need to enter a code sent to your phone in addition to your password. Security can be breached by guessing passwords or cracking software, so this extra layer of security is essential.

This article will explain what 2FA is and why it’s important.

What Is 2FA?

2FA is a security protocol that essentially provides an extra layer of protection in addition to your password. It’s an important tool because it provides an added layer of protection when your password is breached.

When you log into an account, you’ll be asked to enter your username and password, or 2FA codes. You will then receive a text message with a 6-digit code you need to enter in order to complete the login process. The user sends the code from their phone, so the person logging into your account never has possession of the code.

When you use 2FA, there are no master passwords or usernames and passwords floating around on servers. Your username and password are still important for logging in, but 2FA makes sure that no one else could potentially log into your account if it’s hacked by compromising your password instead.

Why Do You Need 2FA?

We often hear about cyberattacks, hacks, and data breaches. These types of attacks cost companies billions of dollars each year.

What’s more, the majority of these attacks are carried out by human beings with relatively simple strategies. That means that the only way to protect your business from these breaches is through better security measures like 2FA.

When you use 2FA, you’re adding an extra layer of protection to your account. You’ll be able to make sure that even if someone gains access to your password, they won’t be able to log into your account without the added security code sent via text message or another method of communication.

There are other reasons why 2FA is important for your business. It can help keep you safe from phishing scams, fake websites and alerts you when there is a potential hack on your network. With these benefits in mind, it’s time for you to take the leap and sign up for 2FA!

How Does 2FA Work?

There are two components of 2FA: the hardware device and the software.

In order to use 2FA, you’ll need a separate device that can generate codes for you on demand. Your device will have a number of different applications, including an app that’s accessible from your computer or mobile phone. This app will allow you to generate unique codes that only work when it’s paired with your specific device.

The second component is software. There are various types of software available, but the most common is an authenticator application on your smartphone.

The authenticator apps ask for permission before they are allowed to use your phone’s camera or photo library. It then scans the QR code in front of it and generates a code for you on the spot.

Setting Up 2FA

Two-factor authentication, or 2FA for short, is the process of verifying a user’s identity with two different methods.

One method is a password that must be entered along with a unique one-time code sent to their phone. The second method is an app like Google Authenticator that a user needs in addition to their password and one-time code.

This extra layer of security makes it harder for hackers to breach your account because they would need to have not only your password but also your phone.

However, 2FA has its downsides as well. It can be difficult or slow when logging into the website or app that you’re using, and you might need to sign up for a new account before using 2FA.


2FA is a 2-factor authentication process that protects your account. This process relies on a device to be used with your account and can be a phone, text, or an application depending on the type of account you have.

This process is in place to protect your account from hackers and to provide added security. Today most online services like web hosting, website buildersVPNscloud storage, and password managers. support two-factor authentication.




Home » Cloud Storage » Glossary » What is 2FA?

Join our newsletter

Subscribe to our weekly roundup newsletter and get the latest industry news & trends

By clicking 'subscribe" you agree to our terms of use and privacy policy.