Multi-Factor Authentication
Top Duo Security Alternatives and Competitors

Google Authenticator is a software-based authenticator made by Google that uses a 2-Step Verification (also known as two-factor authentication) thereby adding an extra layer of security to your account. You sign in with something you know (your password) and something you have (a code sent to your phone).

Conveniently and securely sign in to all your online accounts using multifactor authentication, passwordless sign-in or password autofill with Microsoft Authenticator. With this free app, you can sign in to your personal or work/school Microsoft account without using a password. You’ll use a fingerprint, face recognition, or a PIN for security.

Salesforce Authenticator offers smart, simple two-factor authentication solutions that enhance the security of your Salesforce deployment without sacrificing user experience. Salesforce Authenticator is an intelligent, mobile two-factor authentication app that delivers enterprise-class security, while providing simplicity and convenience to your end users. With Salesforce Authenticator, it’s even easier for employees to access business-critical apps through simple push notifications. With a single tap on their mobile device, employees can approve logins and other actions, even verifying automatically from trusted locations.

OKTA Adaptive Multi-Factor Authentication secures your accounts and apps with a strong multi-factor authentication solution that will keep the right people in and the wrong people out.

Protectimus provides multi-factor authentication solutions for enterprises, SMBs, and individuals. Their 2FA solution works on-premises or in the cloud, seamlessly integrating with any infrastructure using APIs, SDKs, and plugins. OTP delivery methods include hardware tokens, 2FA apps with cloud backup for iOS and Android, SMS, email, and MFA chatbots. Protectimus supports OATH standards and offers features such as data signing, time/country filtering, and more, ensuring robust security.

LastPass MFA goes beyond two-factor authentication by implementing LastPass MFA. From implementing biometric factors to establishing adaptive security policies, you can limit data breaches while ensuring the right users can access the right data at the right time.