Learning & Guidance | Skyla Credit Union

Two-Factor vs. Multi-Factor Authentication: Which One Should You Use?

Written by Yanna | Feb 28, 2025 9:06:52 PM

Does keeping your online accounts secure ever feel like trying to remember all your passwords at once?

(Psst... If your go-to move is resetting them every time, you’re not alone!) But don’t worry—I’m here to break down two popular security measures: Two-Factor Authentication (2FA) and Multi-Factor Authentication (MFA).

Both add extra layers of protection to your accounts, but they’re not quite the same. So, which one should you use?

here's a quick look at what we'll cover

 

 

what is two-factor authentication (2fa)?

Two-factor authentication (2FA) adds an extra layer of security to your login process by requiring not just one, but two different forms of verification. Even if a hacker gets hold of your password, they won’t be able to access your account without the second factor.

For example, when you log into an account, you first enter your password (something you know). Then, you receive a security code on your phone or email (something you have). This ensures that even if someone steals your password, they still need the second factor to break in.

By doubling up on security, 2FA makes it much harder for cybercriminals to gain unauthorized access to your accounts.

 

what is multi-factor authentication (mfa)?

MFA is like 2FA’s more security-obsessed sibling—it takes things up a notch by requiring two or more types of verification. MFA can include:

  • Something You Have: A security code from an authentication app or a physical security key.

  • Something You Know: A password or PIN.
  • Who You Are: Biometric data like a fingerprint or facial recognition.

While 2FA stops at two factors, MFA can layer on three or more to make it even harder for cybercriminals to gain access.

 

what’s the difference between two-factor authentication and multi-factor authentication?

At their core, 2FA and MFA serve the same purpose: keeping your accounts locked down from cyber threats. But let’s compare them side by side:

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which is more secure?

MFA wins this round. More authentication factors mean stronger security. While 2FA is solid for most users, MFA is the best option for sensitive accounts where an extra step could stop hackers in their tracks.

 

when should i use two-factor authentication instead of multi-factor authentication?

If you're looking for a balance between security and convenience, 2FA is a great choice for everyday accounts. It provides a solid layer of protection without adding too much complexity. Enabling 2FA is especially useful for social media, email, and online shopping accounts like Amazon, eBay, and Target.

These platforms store personal information and payment details, making them potential targets for cybercriminals. With 2FA, even if your password is compromised, unauthorized access becomes significantly more difficult.

Via Giphy

how do i enable two-factor authentication on my accounts?

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when should i use multi-factor authentication instead of two-factor authentication?

MFA is essential for high-risk accounts where extra security is non-negotiable. You should always enable MFA for:

  • Banking and financial accounts (like your Skyla account) Psst... Here's how you can secure your Skyla account>

  • Work and business accounts (especially if you handle sensitive information)
  • Government and healthcare portals
  • Cloud storage and data backups
QUICK TIP: If losing access to an account could have serious consequences, MFA is the way to go.

Via Giphy

 

does multi-factor authentication take longer than two-factor authentication?

Yes, MFA can take a few extra seconds compared to 2FA, but the security benefits far outweigh the slight delay. Many MFA methods are designed for speed and convenience. Biometric authentication like fingerprint scanning or facial recognition happens almost instantly, while authentication apps generate security codes in seconds.

Although MFA might require an extra step, it offers a significant boost in security with minimal hassle.

 

which is right for you?

If there's one thing to take away, it's this: turn on 2FA today for your most important accounts. It’s a simple, effective way to keep hackers out. But if you're handling financial transactions, work-related data, or other sensitive information, MFA is the way to go for an extra layer of defense against cyber threats.

Think of it like locking your front door - 2FA is a deadbolt, but MFA adds an alarm system and security cameras. The stronger your security, the harder it is for cybercriminals to get in.

Level up your online security. Take the next step today!

 

Need further Assistance? 

Check out our Account Security and Identity Theft on the Skyla website. If you have any other questions or need assistance, feel free to contact our customer service representatives by email, give us a call at 704.375.0183.