Multifactor Authentication: Why Zero-Trust Security for Organizations Is the Only Way

In today’s rapidly evolving digital landscape, the security of organizational data and systems is more crucial than ever. Cyber threats are becoming increasingly sophisticated, making traditional password-based defenses inadequate for protecting sensitive information. This blog explores why multifactor authentication, combined with a zero-trust approach, is essential for organizations seeking to safeguard their assets and maintain trust in a world where security breaches are a constant risk.

What Is Multifactor Authentication?

Multifactor Authentication (MFA) is an IT-based security solution that adds an additional or multiple layers of user authentication during the commonly known sign-in process. The solution works by requiring a user to provide at least two credentials to authenticate their identity and be granted secure access. These credentials may include passwords, IT hardware tokens, numerical codes, biometrics, time, and or location. The most common form of MFA is Two-Factor Authentication (2FA), which requires users to provide an additional factor of authentication during sign-in. Typically, the most common form of Two-Factor Authentication is a numerical code being sent to the user’s cell phone or device when prompted to enter user credentials.

As the landscape of malicious acts and cybersecurity threats continues to grow globally, the need for companies to implement and maintain a zero-trust security posture for the workforce has never been more critical.

Differences Between MFA and Basic Passwords

MFA is one of the primary methods for ensuring the user is exactly who they say they are upon login. Historically, this would only be able to be ensured by standard credentials entered upon a user’s sign-in, typically being a personal username and single password. Without an additional factor of authentication to your password, unintended user access becomes a definitive concern. For example, consider the standard process of a user logging into their personal email account. The username and their password would typically grant them access into the webserver, various internal applications, data, and confidential information.

Why Passwords Alone Are Not Enough — The Need for Multifactor Authentication

Relying solely on passwords to secure business systems and data is no longer adequate in today's threat landscape. Passwords can easily be stolen, guessed, or compromised through phishing attacks and data breaches. When businesses depend on just a username and password, they're leaving their doors open to unauthorized access, putting sensitive information, internal applications, and critical assets at risk. Multifactor authentication (MFA) addresses these vulnerabilities by requiring users to verify their identity with additional methods—such as codes sent to mobile devices, biometrics, or physical security keys. By implementing MFA, organizations significantly reduce the risk of unauthorized access, ensuring only legitimate users can reach confidential data and resources. This added layer of security is essential for protecting against modern cyber threats and maintaining trust within the organization.

The Four Types of Multifactor Authentication

When considering Multifactor Authentication for your environment, there are four distinct types. Below are the MFA types ranked in the order of least to most effective, and examples for each (note: some MFA methods are still vulnerable to phishing; phishing-resistant MFA typically uses FIDO2/WebAuthn passkeys or hardware security keys).

• Text Message Code (SMS OTP): Commonly a 4- or 6-digit code sent to a mobile device via SMS (not phishing-resistant).
• An Authenticator App Code (TOTP): An app such as DUO Multi-Factor Authentication generating rotating codes (stronger than SMS, but not phishing-resistant).
• Biometric: Facial recognition on a Windows PC or iPhone (often used to unlock a device-bound credential; phishing resistance depends on the underlying method).
• Physical Key (Security Key): A USB/NFC security key (e.g., FIDO2/WebAuthn) used for cryptographic sign-in—this is a common phishing-resistant MFA method.

The Benefits of Phishing-Resistant MFA

Not all MFA is equally effective against phishing. Phishing-resistant MFA uses cryptographic authentication that’s bound to the legitimate website or application (so it can’t be replayed through a fake login page). Industry guidance increasingly points to phishing-resistant approaches — such as FIDO2/WebAuthn passkeys or hardware security keys — as the “gold standard” for stopping credential theft and adversary-in-the-middle attacks.

How MFA Can Help Companies Avoid Breaches

As credential-based attacks continue to exponentially rise on a global scale, MFA is becoming a common initiative for small to large organizations alike. Regardless of having a unique password for each user account, website, and or application you use, malware and various threats continue to threaten organizations daily. Many of these organizations have successfully prevented costly breaches with MFA.

For example, if an employee were to have their personal login credentials stolen, a hacker would be unable to login to their account without an additional form of verification. Two-Factor Authentication would come into play by sending the legitimate user a unique two-factor numerical code to be entered, ensuring complete user-authenticity and security.

Did You Know?

• It’s estimated that by 2029, organizations that implement phishing-resistant MFA will experience 80% fewer credential-based security breaches than those relying on legacy authentication methods.

• Gartner also predicts that, by 2027, 90% of enterprises will fully meet their MFA needs for remote and cloud access using the native capabilities of AM tools, thus lowering the TCO by 40%.
• Your employees may need more guidance in keeping their workplace secure. According to Gartner’s Drivers of Secure Behavior Survey, half of the workforce thinks that cybersecurity guidance as a whole falls short. It may be.

• Hard to understand (44%)
• Inflexible (46%)
• Too long (50%)
• Hard to remember (47%)

How New Era Technology Can Assist

New Era Technology continues to support small- to enterprise-level customers and organizations at every stage of Multifactor Authentication considerations and deployments. A few of the most common pieces of feedback include:

• Improved cybersecurity
• Increase conversion
• Improved customer trust and satisfaction
• Reduced operating costs
• Breaches to helpdesk service fees

One of the most innovative and next-gen security solutions is Cisco DUO. DUO offers zero-trust security for the workforce-users and the devices they use to access work applications. A zero-trust approach for the workforce is the foundation for a zero-trust security model that ensures users and devices are trusted before granting them secure access. To learn more about a complimentary security risk assessment and a complimentary full-feature trial of Cisco, please email solutions@neweratech.com.