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What is multi-factor authentication and why you need to use it


Emily Keeling

Marketing Manager

In today's digital age, our lives revolve around technology like never before. From online banking to social media, we rely on various online platforms day to day, whether it’s part of your job, to stay connected, or to share our lives. However, this increasing reliance on technology has also given rise to a new set of security challenges. One effective solution to mitigate these risks is the implementation of Multi-Factor Authentication (MFA) or Two-Factor Authentication (2FA), which is becoming increasingly more popular across apps and websites.

In this blog, we'll delve into what MFA/2FA is and why it's imperative for your online security.


Understanding MFA and 2FA:

Multi-Factor Authentication (MFA), also known as Two-Factor Authentication (2FA), is an extra layer of security added to the authentication process. While traditional authentication typically relies on a single factor, such as a password, MFA/2FA requires at least two of the following factors:

Something you know: This is the most common factor and involves a password, PIN, or security question.

Something you have: This factor involves a physical object that only you possess, such as a smartphone, hardware token, or smart card.

Something you are: This factor includes biometric data like fingerprints, retinal scans, or facial recognition.

By requiring multiple factors for authentication, MFA/2FA significantly enhances the security of your online accounts and sensitive information by reducing the chance of hackers accessing your data.


The Need for MFA/2FA:

Enhanced Security: The primary reason for using MFA/2FA is enhanced security. Even if a hacker manages to obtain your password, they will still need access to your secondary factor to gain entry. This drastically reduces the risk of unauthorised access.

Mitigation of Password Vulnerabilities: Passwords are often the weakest link in online security. People tend to reuse passwords across multiple sites, use easily guessable passwords, or fall victim to phishing attacks. MFA/2FA mitigates these vulnerabilities by adding an extra layer of protection.

Protection Against Data Breaches: In an era of frequent data breaches, your email addresses and passwords might already be compromised without your knowledge. MFA/2FA ensures that even if your credentials are leaked, unauthorised access remains improbable.

Business Security: MFA/2FA isn't limited to personal accounts; many businesses also implement it to safeguard their employees' accounts and sensitive company information. This is particularly crucial as remote work becomes more common.

Compliance Requirements: In some industries, compliance standards require the use of MFA/2FA. Failing to implement these measures could lead to legal and financial consequences.


How to Implement MFA/2FA:

Enable MFA/2FA: Check the security settings of your accounts (email, social media, banking, etc.) to enable MFA/2FA. You'll usually find this in the account security or privacy settings.

Choose Your Factors: Opt for a combination of factors that suit your convenience and security needs. Most platforms offer options like SMS codes, authenticator apps, and biometric verification.

Backup Options: Ensure you have backup methods in case your primary authentication method is unavailable. For example, if you rely on an authentication app on your phone, have backup codes or a backup phone number.


In conclusion, MFA/2FA is a crucial tool in today's digital world. It goes beyond the traditional password-centric approach to provide a increased security against unauthorised access. By implementing MFA/2FA, you take a proactive step towards safeguarding your online identity, personal data, and sensitive information from the growing threats of the cyber world.

Embrace this additional layer of security and make your online presence safer and more resilient.