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What is Multi-Factor Authentication?

What is Multi-Factor Authentication?

What is Multi-Factor Authentication?

Learn how MFA strengthens security through multiple forms of verification, from OTPs to phishing-resistant methods.

Learn how MFA strengthens security through multiple forms of verification, from OTPs to phishing-resistant methods.

Learn how MFA strengthens security through multiple forms of verification, from OTPs to phishing-resistant methods.

Dan Gericke

Dan Gericke

Dan Gericke

Co-Founder

Co-Founder

Co-Founder

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Multi-Factor Authentication (MFA) strengthens security by adding layers beyond passwords. Phishing-resistant options like passkeys, based on WebAuthN and FIDO2, use public-key cryptography for robust protection. Other methods, such as OTPs via Google Authenticator and push approvals with Microsoft Authenticator, enhance security but can still be vulnerable to advanced phishing attacks.

What is Multi-Factor Authentication (MFA)?

Multi-Factor Authentication, or MFA, is a security mechanism that requires users to provide two or more forms of identification to verify their identity before accessing a system. This is an improvement over single-factor authentication (usually just a password), which is increasingly vulnerable to attacks. MFA makes it significantly harder for malicious actors to gain unauthorized access, as they would need multiple pieces of information—something you know (password), something you have (a phone or hardware key), or something you are (biometrics).

Understanding 2FA and OTPs

Two-Factor Authentication (2FA) is one of the most common implementations of MFA. It usually involves a password (something you know) and a second factor like a One-Time Password (OTP). OTPs are time-sensitive codes generated through apps like Google Authenticator or received via SMS. While OTPs are effective at adding a second layer of protection, they can be vulnerable to certain types of phishing attacks or SIM-swapping.

Push-Based MFA: Convenience and Security

Another popular type of MFA is push-based authentication, used by apps like Microsoft Authenticator. In this method, users receive a prompt on their mobile device asking them to approve or deny the login attempt. This approach adds convenience by eliminating the need to type in a code, while also enhancing security by ensuring the person approving access is in possession of the device. However, push-based methods can be susceptible to social engineering—for example, users may approve an unexpected prompt if they are not paying close attention.

Phishing-Resistant MFA: YubiKeys, Passkeys, and FIDO2

Not all MFA methods are created equal when it comes to phishing resistance. OTPs and push notifications can be vulnerable to sophisticated phishing campaigns. In contrast, phishing-resistant methods like YubiKeys, passkeys, and FIDO2 are designed to prevent attackers from gaining access, even if they trick users into sharing their credentials. These solutions rely on public-key cryptography, and many of them are already available on everyday devices like smartphones. For example, passkeys use technology built into your phone to provide a highly secure and phishing-resistant way to authenticate—no additional hardware like a YubiKey is needed, making this advanced security accessible to everyone.

YubiKeys are a type of hardware security key that supports multiple protocols, including FIDO2, providing an excellent defense against phishing because they require physical presence to authenticate. Similarly, passkeys are emerging as a passwordless solution that leverages public-key cryptography to secure user accounts without relying on traditional passwords. Both YubiKeys and passkeys offer highly secure, phishing-resistant authentication, ensuring that even if attackers obtain some credentials, they cannot replicate the secure authentication process.

ShiftControl Recommendations for Securing Access

At ShiftControl, we recommend the following best practices to ensure maximum security for your organization:

  1. Enable MFA in All SaaS Services: Multi-Factor Authentication is a must for securing access to all your SaaS tools. It adds an additional layer of security that goes beyond just a password.

  2. Centralize Your Identity Using SSO: Wherever possible, centralize identity management using Single Sign-On (SSO). This makes managing access simpler and reduces the number of credentials you need to protect.

  3. Use Password Managers: Encourage users to use password managers. These tools help generate and store strong, unique passwords for each service, which significantly reduces the risk of credential-based attacks.

  4. Use Modern Phishing-Resistant MFA with Passkeys: If the SaaS service supports it, opt for modern phishing-resistant MFA solutions like passkeys. These methods provide a high level of security with minimal user effort.

How ShiftControl Helps

ShiftControl makes implementing these recommendations easy. We help organizations streamline their security by simplifying the setup of MFA across various SaaS services, integrating identity providers for SSO, and guiding users toward using password managers effectively. With our platform, you can take advantage of modern, phishing-resistant technologies like passkeys, without the complexity. Our goal is to make robust security practices accessible for small and medium-sized businesses, empowering them to protect their digital environments efficiently.

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Experience SaaS management as it should be: straightforward management and robust security with ShiftControl.

Get started

Experience SaaS management as it should be: straightforward management and robust security with ShiftControl.

Get started

Experience SaaS management as it should be: straightforward management and robust security with ShiftControl.

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