The tables above list the most popular multi-factor authentication (MFA) products, their companies, common issues, and products commonly used alongside them or in their place. MFA products require users to provide two or more factors of authentication to log in, such as a password and a code from a mobile app or security token. This makes it more difficult for attackers to gain access to accounts, even if they have compromised a user's password.
2FA
MFA
Adaptive MFA
by Travis Stone and Bard
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