Glossary

Multi-Factor Authentication (MFA)

Multi-Factor Authentication (MFA) is a security process that requires users to provide two or more different types of verification factors to gain access to a system, application, or account.

This layered approach enhances security by ensuring that even if one factor is compromised, unauthorised access is still prevented.

The three primary types of MFA factors are:

  • Something you know: Knowledge-based factors, such as passwords or PINs.
  • Something you have: Possession-based factors, such as security tokens, smart cards, or mobile devices that generate verification codes.
  • Something you are: Biometric factors, such as fingerprints, facial recognition, or voice patterns.

MFA significantly reduces the risk of unauthorised access and identity theft by adding multiple layers of verification. It is widely used in securing online accounts, financial transactions, and sensitive data, providing a robust defence against various forms of cyberattacks.

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