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Cybersecurity Glossary

Multi-Factor Authentication (MFA)

Multi-factor authentication is an authentication method requiring users to supply more than one distinct authentication factor to gain access to a resource such as an application, online account, or VPN. These factors include something you know (such as a password or PIN), something you have (such as a token or key), or something you are (such as your fingerprint).

MFA is a core component of a strong identity and access management (IAM) policy. Rather than asking for a username and password, MFA requires one or more additional verification factors. This significantly decreases the likelihood of a successful cyber attack.

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