Passwords with MFAs vs. Passkeys: The Authentication Showdown

Moiz Usman

Published On

November 18, 2024

Passwords have been the backbone of digital security for decades, but in a world of evolving cyber threats, they’re no longer enough. Enter multi-factor authentication (MFA) and passkeys—two modern solutions in the battle for better security. Let’s explore their strengths, weaknesses, and where they fit in our digital lives.

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Passwords with Multi-Factor Authentication (MFA): The Classic Combo

Passwords are the traditional gatekeepers of the digital world. We’ve been using them for decades because they’re simple and familiar. Add multi-factor authentication (MFA) to the mix, and you get an extra layer of security, making it harder for attackers to breach your accounts.

Visual representation of passwords with multi-factor authentication (MFAs)

Pros of Passwords with MFAs

  • Flexibility Across Platforms: Passwords are universal. They work across virtually all platforms, apps, and devices, making them a go-to choice for accessing everything from email to streaming services. Adding MFA ensures compatibility while boosting security.
  • Familiarity and User Comfort: Most people are already comfortable creating and using passwords. MFA adds a layer of security without entirely reinventing the user experience. Familiarity reduces the learning curve for users of all tech backgrounds.
  • Enhanced Security with MFA: MFA adds an extra step in the authentication process. Even if a password is compromised, attackers still need the second factor—be it a one-time code, biometric scan, or hardware token. This added layer dramatically lowers the risk of unauthorized access.

Cons of Passwords with MFAs

  • Weaknesses in User Behavior: Passwords are often weak and easy to guess because people prioritize convenience over complexity. Reusing the same password across sites magnifies the risk. Once one site is compromised, attackers gain access to multiple accounts.
  • Cracking Technology and Storage Risks: Advances in technology make it easier to crack even strong passwords using brute force or phishing attacks. Additionally, users often store passwords insecurely—in unencrypted notepads or password hints—that can be lost, stolen, or destroyed.
  • Convenience Tradeoff with MFA: While MFA enhances security, it adds a layer of inconvenience. Entering a code or using a hardware token can be cumbersome, especially for frequent logins. Hardware tokens also add a financial burden, with costs ranging from tens to hundreds of dollars.

Passkeys: The Modern Marvel

Passkeys are the future of authentication. Think of them as your digital BFF—always there, always secure, and no memorization required. Instead of typing a password, you authenticate using a unique cryptographic key stored on your device. Passkeys are simple, seamless, and secure.

Passkey Visualization

Pros of Passkeys

  • Convenience and Simplicity: Passkeys eliminate the need for memorization or complex password rules. Logging in with a mobile device or hardware key (like a YubiKey) is seamless and straightforward. This simplicity makes passkeys accessible for users of all technical backgrounds.
  • Uncompromised Security: Every passkey, whether stored on a mobile device or hardware key, is unique and tied to a specific account. Websites never store your passkey, reducing the risk of breaches. With backups on trusted devices, users can maintain access even if their primary device is lost or damaged.
  • Universal Application: Passkeys work across multiple platforms without the risk of reuse or compromise. Mobile devices and hardware keys represent the next step in authentication, addressing the flaws of traditional passwords.

Cons of Passkeys

  • Platform Dependency: Passkeys are often stored with providers like Google or Apple. If your account lacks strong security, such as MFA, there’s a risk of compromise. Ensuring account-level security is critical for safeguarding passkeys.
  • Cost of Compatibility: Passkeys may require upgrading devices to those that support the technology, which can be expensive. Hardware tokens, if used for backup, also add to the cost.
  • Adoption and Compatibility Challenges: While passkeys are gaining traction, adoption is still low. Many websites and services don’t yet support them, and older devices or browsers may not recognize passkeys. This limits their usability in the short term.

Passwords vs. Passkeys: A Quick Comparison

Comparison between Passwords with MFAs and PassKey

Hybrid Scenarios: Where Both Work

Both passwords with MFA and passkeys have their own strengths and weaknesses. Passwords with MFA offer familiarity and flexibility, while passkeys prioritize security and simplicity. Choosing the right method ultimately depends on user preference and the level of security required. For everyday accounts, passwords with MFA might suffice. For high-security needs, passkeys could be the better fit. It’s not about one being better than the other—it’s about what works best for you.

The Future of Authentication

The transition from passwords to passkeys is already underway, but the journey will take time. With growing adoption and improved compatibility, passkeys are poised to redefine how we think about authentication.

Call-to-Action (CTA): Ready to rethink your authentication game? Start exploring passkeys today while continuing to leverage MFA for added security where needed. It’s time to balance convenience and protection in your digital life.