Multi-Factor Authentication (MFA) is a security method that requires users to provide two or more forms of verification to access an account or system, typically combining something they know (e.g., a password) with something they have (e.g., a mobile device) or something they are (e.g., biometric data).
When logging into an online banking account, users may need to enter their password (something they know) and then confirm their identity using a one-time code sent to their mobile phone (something they have) to complete the authentication process.
Multi-Factor Authentication (MFA), also known as two-factor authentication (2FA) or strong authentication, enhances security by requiring users to provide multiple forms of evidence to verify their identity before granting access. Key aspects of MFA include:
o Something you know (e.g., password, PIN)
o Something you have (e.g., smartphone, hardware token, smart card)
o Something you are (e.g., fingerprint, facial recognition, voice pattern)
o One-time codes sent via SMS, email, or authenticator apps (e.g., Google Authenticator, Microsoft Authenticator)
o Hardware tokens or smart cards that generate authentication codes
o Biometric authentication using fingerprints, facial recognition, or voiceprints
o Geolocation checks to verify the user’s physical location
o Time-based OTPs (One-Time Passcodes) generated by authenticator apps or devices
o During login, users enter their username and password as the first authentication factor (something they know).
o They then provide a second factor (something they have or something they are), such as entering a code from their mobile device or scanning a fingerprint.
o If both factors match the user’s credentials and are verified, access is granted.
o Increases security by adding an additional layer of protection beyond passwords, reducing the risk of unauthorized access due to stolen or compromised credentials.
o Mitigates various security threats, including phishing attacks, credential stuffing, and password theft.
o Enhances compliance with regulatory requirements and security standards that mandate strong authentication practices.
o Balances security with usability by providing convenient and user-friendly MFA methods, such as push notifications, QR code scanning, or fingerprint recognition.
o Offers flexibility for users to choose MFA methods that suit their preferences and devices.
Implementing Multi-Factor Authentication strengthens security defenses, safeguards sensitive data, and reduces the likelihood of account compromise in today’s evolving threat landscape.
Multi-Factor Authentication (MFA)