Multi-Factor Authentication (MFA) is a security method that requires users to provide two or more different types of authentication factors to verify their identity before gaining access to a system, application, or resource.
MFA is important because:
Enhanced Security: Even if one factor is compromised (like a password), attackers still need additional factors
Reduces Risk: Significantly decreases the likelihood of unauthorized access
Compliance: Many regulations (HIPAA, SOX, PCI DSS) require or recommend MFA
Trust: Builds user and customer confidence in security measures
Example: A user logging into their bank account needs both their password (something they know) and a code from their mobile app (something they have).
Rewriting in plainer words…
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