19/05/2024 | Khanh Mai

In today’s digital world, information security is an extremely important issue. With cyberattacks on the rise and personal information exposure becoming more common, protecting your online accounts has become extremely necessary. One of the popular and effective tools to protect your account is 2FA, which stands for “Two-Factor Authentication”. In this article, we will learn about what is 2FA and instructions for get and using 2FA codes

Learn about 2FA

2FA aka two-factor authentication is an extra layer of security for your online accounts. Instead of just using a password, 2FA requires you to provide a second credential, such as a code sent to your phone or email, to log in. This helps keep your account more secure, even if an attacker already knows your password.

For example:Imagine you’re using the password “123456” to log into your online banking account. If some attacker steals your password, they can easily access your account and steal your money.

However, if you have 2FA enabled, even if an attacker knows your password, they won’t be able to access your account unless they also have a second authentication token. This authentication code will be sent to your phone as an SMS message or generated by the authenticator app on your phone.


Benefits of activating 2FA authentication

Two-factor authentication (2FA) brings many benefits to users, helping to increase the security of their online accounts. Here are some key benefits:

Enhanced security

This is the most important benefit of 2FA. It adds an extra layer of security to your account, making unauthorized access more difficult, even if an attacker already knows your password. With 2FA, they also need a second authentication code, usually sent to your phone or email, to be able to log in. This helps prevent unauthorized intrusion and theft of information and accounts.

Protection from scams

2FA plays an important role in protecting you from sophisticated online scams. Scammers can steal your passwords through fake emails, phishing websites, or malware. However, with 2FA, even if they have your password, they can’t access your account without a second authentication code, which is only sent to your device.

Reduce the risk of identity theft

Using 2FA can help reduce the risk of identity theft. Identity thieves often target sensitive personal information such as names, addresses, Social Security numbers and financial information. 2FA helps protect this information by limiting the possibility of unauthorized access to your account, where a lot of important data is stored.

Protection for sensitive transactions

2FA is especially useful for protecting online financial transactions, online shopping, and other sensitive activities. When making these transactions, you are often asked to provide a 2FA authentication code to verify your identity and prevent fraud.


Instructions on how to get and use 2FA codes on Google Authenticator

When your Google account has a problem such as data theft or other security issues, please refer to how to get the 2FA code and use it below:

How to get 2FA code?

Step 1: Log in to your Google account and Click on the following Link:https://myaccount.google.com/security

Step 2: Access the Security menu > Click to turn ON 2-Step Verification


Step 3: In the page that appears, scroll down, click SHOW CODE


Step 4: Copy the backup code or download the file containing your 2FA backup code


How to use 2FA code backup?

Step 1: YouGet backup code you saved before.

Step 2: Visit on onGmail your andLog in to your account your.


Step 3: When asked for a verification code, clickOther options.


Step 4: Select options Enter one of your 8-digit backup codes.


Step 5: Import your previous backup code > Press Next.

Some notes when using 2FA code

Using 2FA (Two-Factor Authentication) codes brings many benefits to online account security, however, to ensure optimal safety and avoid potential risks, you need to keep a few things in mind. after using 2FA code:

Protect your device

  • Mobile devices: Use a reputable phone, install security software and update the operating system regularly. Avoid using public devices to access important accounts.
  • Computer: Install anti-virus software, firewalls and update software regularly. Use strong passwords and avoid accessing untrusted websites.

Store backup code

  • Some services provide backup codes to use in case you lose your phone or can’t access the device.
  • Store backup codes securely, avoiding disclosure to anyone. Print it out and keep it in a secret place or store it in a reputable password manager.

Be careful with phishing messages

  • Thieves can spoof 2FA messages to trick you into providing the code. Be careful with unexpected messages that ask for codes or contain unfamiliar links.
  • Only provide 2FA codes when you actively request and verify the source.

Use authenticator apps instead of SMS messages

  • Authentication apps like Google Authenticator or Authy are highly rated for their security compared to SMS messages.
  • The application generates authentication codes right on your device, minimizing the risk of codes being stolen via text message.


2FA is a powerful security tool to protect your online accounts from attacks and breaches. By using 2FA that proxyv6.net shared above, you can significantly increase the security of your account and minimize the risk of losing personal information. Remember to always enable 2FA on all your online accounts for maximum safety and security.


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