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How to Turn on Two-Factor Authentication for Emails?

Two-Factor Authentication

Email has been one of the most widely used ways of sharing data among professionals. Therefore, hackers have also become experts at retrieving data by breaching email security. The problem arises when companies don’t pay much attention to updating their email security methods and end up getting scammed. Email multi-factor authentication is a method of authenticating a user using more than one method. It’s commonly used to secure online banking and other financial transactions but is also helpful for anything that needs a secure connection that can’t be accessed by just your password alone.

As recorded by the Internet Crime Report, in 2020, there were 19,369 complaints about the Business Email Compromise (BEC). It resulted in adjusted losses exceeding $1.8 billion.

Two-factor authentication is built to make email accounts secure by adding a layer of security over username and password. The second layer of security can be anything like a fingerprint, a code, or a security token. There are several different types of multi-factor authentication systems out there—some use two-factor authentication while others deploy a multilayered approach towards sender verification—but they all have one thing in common: they’re designed to make sure that only authorized users can access the service they’re trying to provide.

Here’s a guide on how to set up Two-factor authentication for emails and why it is important to make your accounts secure.

Key Takeaways

  1. Email security is paramount due to evolving threats like Business Email Compromise (BEC), costing billions annually.
  2. Multi-Factor Authentication (MFA), including Two-Factor Authentication (2FA), significantly boosts security by requiring multiple verification factors (e.g., something you know, something you have, something you are).
  3. Common MFA/2FA methods include SMS codes, authenticator apps (like Google Authenticator), biometrics, and hardware tokens, offering varied security and convenience.
  4. Implementing MFA/2FA is crucial across major platforms like Gmail, Microsoft 365, and Zoho Mail, with specific setup steps available for each.
  5. Combining MFA/2FA with email authentication protocols like DMARC provides comprehensive protection against unauthorized access, phishing, and domain spoofing.

What is About Two-factor authentication?

Multi-factor authentication (MFA) is a security measure that requires more than just a password to access a device or system, verifying a user’s identity with two or more different forms of identification. Two-factor authentication (2FA) is a specific type of MFA, an email security method that requires users to provide two different authentication factors to verify their identity. It’s used to enhance email security in addition to a strong password. It adds a randomly generated code to the login process, which you have to add every time before logging in to your account. In most cases, this includes something physical, like a phone number or fingerprint scan (something you have or are), but it can also include something digital, like a token that stores information on an app on your phone (like Google Authenticator). It’s also used for authentication in situations where the user’s password is compromised, such as through phishing attacks.

Once the code is activated, you can access your email accounts by entering this. This dual-factor authentication protects your associated email accounts as well as other applications. Even if someone else gets to know your password, they can’t log in without the code.

Simplify Two-Factor Authentication with PowerDMARC!

How Two-Factor Authentication (2FA) Works

Here is how 2FA typically works:

  1. The first thing you need to do is to enter your username and password. It is the most common form of authentication. It involves something the user knows.
  2. After the username and password are entered and verified, the system will request a second factor. This is usually something the user has (such as a phone receiving a text message or push notification, or a hardware token) or something the user is (like a fingerprint or face scan).
  3. Choose the method that seems most appropriate. Then enter the code from your phone, hardware token, or approve the push notification. If both the password and the second factor are correct, the system grants access to the user. In most cases, you’ll need to use two different forms of verification to complete the signup or login.

Common 2FA Methods

Here are some common methods used for 2FA:

Enabling Multi-Factor Authentication on Different Platforms

Setting up MFA ensures that only authorized individuals can access your accounts. Below are guides for enabling it on popular platforms.

Enabling Two-factor authentication for Gmail Google Workspace Emails 

Here is a simple yet thorough guide on enabling 2FA (also called 2-Step Verification by Google) for your Gmail accounts.

Step 1: Open the two-step verification page

Step 2: Choose a verification method

(Through text messages/phone calls, Google prompts, an authenticator app, or a security key)

Step 3: Set up phone verification (Text/Call)

Step 4: Complete the verification process

Step 5: Turn on 2-factor authentication

Step 6: Set up Google prompts

Step 7: Use a security key

You can also set up the Google Authenticator app or backup codes as additional or alternative methods.

How to turn off 2FA for Gmail

To turn off 2-Step Verification for your Google account:

These steps help ensure that 2FA is completely disabled, and all backup access methods are removed.

Setting up Gmail 2FA on Android or iOS devices

Setting up Two-factor authentication on Android or iOS is similar to the desktop process but initiated through device settings or the Gmail app.

Step 1: Access Google Account settings

Step 2: Navigate to Security settings

Step 3: Follow setup prompts

Step 4: Enter verification code

Step 5: Turn on 2FA

After turning it on, you can add other methods like Authenticator apps or security keys via the 2-Step Verification settings page.

How to set up Email Multi-Factor Authentication for Microsoft 365

Step 1: Ensure you have the necessary administrative privileges (e.g., Global Administrator) to manage MFA settings.

Step 2: Microsoft recommends using Security Defaults or Conditional Access policies instead of legacy per-user MFA. If enabling Security Defaults:

Alternatively, for more granular control, use Conditional Access policies (requires Azure AD Premium P1 or P2 license).

Step 3: If you were previously using per-user MFA and are switching to Security Defaults or Conditional Access, you may need to disable it first.

Step 4: Users will be prompted to register for MFA upon their next sign-in after Security Defaults or relevant Conditional Access policies are enabled. They will typically use the Microsoft Authenticator app.

How to set up Email Multi-Factor Authentication for Zoho Mail

Step 1: Login to your Zoho account settings (accounts.zoho.com).

Step 2: In the left-side menu, click on Security, then select Multi-Factor Authentication.

Step 3: Choose your preferred MFA method. Options typically include:

Step 4: Follow the specific setup instructions for your chosen method to activate it.

Step 5: Zoho also provides backup verification codes and allows setting up trusted browsers to reduce the frequency of MFA prompts on familiar devices.

Google Authenticator

A mobile security application, named Google Authenticator, is used to enhance the protection of email apps and websites by Two-factor authentication. It generates random Time-based One-Time Passwords (TOTP) on the user’s mobile device. These codes provide a second layer of security for verification, enhancing the overall security.

Google Authenticator doesn’t rely on SMS or network connectivity after initial setup. It generates a time-based, one-time code that is locally stored on the user’s device for sign-in purposes. It works as a decentralized approach to reduce unauthorized access to the email account, especially compared to potentially interceptable SMS codes.

Benefits of 2FA/MFA

The benefits of 2FA/MFA include:

Downsides of 2FA/MFA

The downsides of using 2FA/MFA include:

Importance of Email security

It is important to invest in the security of email communications. While MFA/2FA secures account access, other layers are needed to protect against different threats. Email security helps in identifying and filtering out malicious or spam emails, that may bypass standard spam filters. DMARC is one such added layer of security that prevents phishing attacks and unauthorized domain abuse by verifying the sender’s authenticity. Major email service providers like Gmail, Outlook and Zoho Mail recommend domain owners enable email authentication protocols like DMARC for protection against spoofing, phishing and ransomware attacks perpetrated through fake emails. A multi-layered security approach, including both strong authentication like MFA and sender verification like DMARC, helps organizations maintain productivity and protect data even when email threats prevail.

Spoofing and phishing are significant threats to the data shared through emails and can spread malware. Businesses can reduce the risk of having credentials and personal data compromised through various attacks by updating their email security procedures, including implementing MFA and configuring DMARC, SPF, and DKIM.

To enable authentication for your emails with DMARC:

Conclusion

Using passwords alone to log into email accounts is no longer sufficient to protect against sophisticated cyber threats. It is important to enhance the security of email accounts using all available methods.

One crucial method is Multi-Factor Authentication (MFA), often implemented as Two-Factor Authentication (2FA), which provides an additional layer of security by requiring more than just a password for login. Whether through SMS codes, authentication apps, biometric methods, or hardware tokens, MFA ensures that even if your password is compromised, your account and information remain significantly more secure.

Implementing MFA across your email platforms (Gmail, Microsoft 365, Zoho, etc.) and combining it with robust email authentication protocols like DMARC creates a strong defense against unauthorized access, phishing, and spoofing. Make MFA a standard practice and encourage others to do the same, fostering a more secure online environment for everyone. Remember that in the current digital landscape, a little extra effort in security goes a long way in protecting what matters most.


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