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%Start What is Two-Factor Authentication? GA S REGULAR Menu Lifewire Tech for Humans Newsletter! Search Close GO Smart & Connected Life &gt; Working From Home 92 92 people found this article helpful <h1> What is Two-Factor Authentication?</h1> <h2> The benefits and drawbacks of this security feature</h2> By Jack Wallen Jack Wallen Writer University of Indianapolis Purdue University University of Louisville Jack Wallen is a former Lifewire writer, an award-winning writer for TechRepublic and Linux.com, and the voice of The Android Expert.
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%Start What is Two-Factor Authentication? GA S REGULAR Menu Lifewire Tech for Humans Newsletter! Search Close GO Smart & Connected Life > Working From Home 92 92 people found this article helpful

What is Two-Factor Authentication?

The benefits and drawbacks of this security feature

By Jack Wallen Jack Wallen Writer University of Indianapolis Purdue University University of Louisville Jack Wallen is a former Lifewire writer, an award-winning writer for TechRepublic and Linux.com, and the voice of The Android Expert.
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lifewire's editorial guidelines Updated on December 1, 2020 Tweet Share Email Tweet Share Email Working From Home The Ultimate Guide to Shopping Online The Ultimate Guide to Online Learning at Home The Ultimate Guide to Skype Two-factor authentication (2FA) is a security feature that adds another layer of protection to your account. Instead of just needing a username and password, two-factor authentication requests a verification code, which you receive via text, email, or through a third-party app.
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lifewire's editorial guidelines Updated on December 1, 2020 Tweet Share Email Tweet Share Email Working From Home The Ultimate Guide to Shopping Online The Ultimate Guide to Online Learning at Home The Ultimate Guide to Skype Two-factor authentication (2FA) is a security feature that adds another layer of protection to your account. Instead of just needing a username and password, two-factor authentication requests a verification code, which you receive via text, email, or through a third-party app.
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2FA is also known as two-step authentication or two-step verification. <h2> How Two-Factor Authentication Works </h2> When you log into a website, you must provide a username and a password.
Sofia Garcia Member
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2FA is also known as two-step authentication or two-step verification.

How Two-Factor Authentication Works

When you log into a website, you must provide a username and a password.
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Two-factor authentication helps secure your login with a temporary code you need to obtain before logging in. If you do not have a code for your account, you will not be allowed access, which is why two-factor authentication is an essential additional step for security. You have limited time to use the code before it expires; once it does, you must request another one.
Charlotte Lee Member
access_time 20 minutes ago
Two-factor authentication helps secure your login with a temporary code you need to obtain before logging in. If you do not have a code for your account, you will not be allowed access, which is why two-factor authentication is an essential additional step for security. You have limited time to use the code before it expires; once it does, you must request another one.
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Audrey Mueller 15 minutes ago
Once a code is used, it cannot be used again. Even if a hacker has your username and password, they ...
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Scarlett Brown 14 minutes ago
Via a 2FA mobile app. Here's how the codes work: Of the two methods, the app route is more secur...
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Once a code is used, it cannot be used again. Even if a hacker has your username and password, they cannot access your account without the ability to get an associated 2FA code. 10 Popular Accounts That Should Have Two-Factor Authentication Enabled <h2> How to Get Verification Codes for 2FA </h2> There are two different methods to get a verification code: Via SMS texts to your Android or iOS device.
Sofia Garcia Member
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Once a code is used, it cannot be used again. Even if a hacker has your username and password, they cannot access your account without the ability to get an associated 2FA code. 10 Popular Accounts That Should Have Two-Factor Authentication Enabled

How to Get Verification Codes for 2FA

There are two different methods to get a verification code: Via SMS texts to your Android or iOS device.
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Kevin Wang 14 minutes ago
Via a 2FA mobile app. Here's how the codes work: Of the two methods, the app route is more secur...
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Scarlett Brown 3 minutes ago
If a hacker knows your username, your password, and your phone number, they can (using specific tool...
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Via a 2FA mobile app. Here&#39;s how the codes work: Of the two methods, the app route is more secure for receiving verification codes.
Dylan Patel Member
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Via a 2FA mobile app. Here's how the codes work: Of the two methods, the app route is more secure for receiving verification codes.
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Thomas Anderson 4 minutes ago
If a hacker knows your username, your password, and your phone number, they can (using specific tool...
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Isaac Schmidt 12 minutes ago
If you choose the authenticator app method, you need to add this account to it. When you need a code...
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If a hacker knows your username, your password, and your phone number, they can (using specific tools) intercept the transmission of the SMS 2FA code and then use it to gain access to your account. Because of this, it is best to use an authentication app whenever possible. If you choose the SMS text method, you&#39;ll have to associate your account with a phone number.
Ryan Garcia Member
access_time 35 minutes ago
If a hacker knows your username, your password, and your phone number, they can (using specific tools) intercept the transmission of the SMS 2FA code and then use it to gain access to your account. Because of this, it is best to use an authentication app whenever possible. If you choose the SMS text method, you'll have to associate your account with a phone number.
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James Smith 35 minutes ago
If you choose the authenticator app method, you need to add this account to it. When you need a code...
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David Cohen 19 minutes ago
Just log in, as usual, request the code via text message or through an app, and input that on the lo...
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If you choose the authenticator app method, you need to add this account to it. When you need a code, open the app and input the number listed under this account. (Codes automatically generate after a specific time interval.) How to Set up Google Authenticator How to Use the Microsoft Authenticator App <h2> Using Two Factor Authentication </h2> After you set up two-factor authentication, it&#39;s easy to use.
Mia Anderson Member
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If you choose the authenticator app method, you need to add this account to it. When you need a code, open the app and input the number listed under this account. (Codes automatically generate after a specific time interval.) How to Set up Google Authenticator How to Use the Microsoft Authenticator App

Using Two Factor Authentication

After you set up two-factor authentication, it's easy to use.
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Just log in, as usual, request the code via text message or through an app, and input that on the login page. <h2> Drawbacks of Two-Factor Authentication </h2> There is only one downside to using 2FA for your accounts: convenience. There&#39;s more typing involved, and the process is a bit more time-consuming.
Kevin Wang Member
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Just log in, as usual, request the code via text message or through an app, and input that on the login page.

Drawbacks of Two-Factor Authentication

There is only one downside to using 2FA for your accounts: convenience. There's more typing involved, and the process is a bit more time-consuming.
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You will also have to have your mobile phone at the ready and powered up (so you can retrieve the necessary 2FA code), which can be difficult when traveling abroad or in a dead zone. Adding this extra layer of security is well worth the inconvenience.
Lily Watson Moderator
access_time 30 minutes ago
You will also have to have your mobile phone at the ready and powered up (so you can retrieve the necessary 2FA code), which can be difficult when traveling abroad or in a dead zone. Adding this extra layer of security is well worth the inconvenience.
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Ryan Garcia 11 minutes ago
Although two-factor authentication isn’t perfect, it is considerably more secure than an account p...
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Although two-factor authentication isn’t perfect, it is considerably more secure than an account protected only by a username and password. Was this page helpful?
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Although two-factor authentication isn’t perfect, it is considerably more secure than an account protected only by a username and password. Was this page helpful?
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Other Not enough details Hard to understand Submit More from Lifewire How to Turn on Two-Factor Auth...
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What is Two-Factor Authentication? GA S REGULAR Menu Lifewire Tech for Humans Newsletter! Search Clo...
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Other Not enough details Hard to understand Submit More from Lifewire How to Turn on Two-Factor Authentication on Facebook How to Use Two-Factor Authentication in iOS 15 How to Turn off Two-Factor Authentication on Apple Devices Protecting Your Yahoo Mail With 2-Step Authentication How to Recover a Forgotten Gmail Password What to Do When Facebook Isn't Sending Security Codes How to Use the Microsoft Authenticator App How to Use Two Step Verification (2FA) in WhatsApp How to Turn on Gmail Two-Factor Authentication How to Set up Google Authenticator How to Set Up and Use Microsoft 365 MFA 7 Types of Accounts to Enable 2 Factor Authentication On 10 Popular Accounts That Should Have Two-Factor Authentication Enabled How to Secure Your Gmail With Two-Step Authentication How to Turn on Google Two Factor Authentication How to Stop Someone From Accessing Your Phone Remotely Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Cookies Settings Accept All Cookies
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Other Not enough details Hard to understand Submit More from Lifewire How to Turn on Two-Factor Authentication on Facebook How to Use Two-Factor Authentication in iOS 15 How to Turn off Two-Factor Authentication on Apple Devices Protecting Your Yahoo Mail With 2-Step Authentication How to Recover a Forgotten Gmail Password What to Do When Facebook Isn't Sending Security Codes How to Use the Microsoft Authenticator App How to Use Two Step Verification (2FA) in WhatsApp How to Turn on Gmail Two-Factor Authentication How to Set up Google Authenticator How to Set Up and Use Microsoft 365 MFA 7 Types of Accounts to Enable 2 Factor Authentication On 10 Popular Accounts That Should Have Two-Factor Authentication Enabled How to Secure Your Gmail With Two-Step Authentication How to Turn on Google Two Factor Authentication How to Stop Someone From Accessing Your Phone Remotely Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Cookies Settings Accept All Cookies
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