Exam Identity-and-Access-Management-Architect Topic 2 Question 36 Discussion

Multi-factor authentication (MFA) is a security feature that requires users to verify their identity with two or more factors when they log in to Salesforce4. Salesforcesupports several types of authentication and verification methods that meet the criteria for secure MFA, such as5:
* Username and password + security key: A security key is a physical device that plugs into a USB port or connects wirelessly to your computeror mobile device. It generates a unique code that you use to verify your identity when you log in to Salesforce5.
* Third-party single sign-on with Mobile Authenticator app: Single sign-on (SSO) is an authentication method that allows users to access multiple applications with one login and one set of credentials. A mobile authenticator app is an app that generates temporary codes or sends push notifications that you use to verify your identity when you log in to Salesforce via SSO5.
* Lightning Login: Lightning Login is an authentication method that allows users to log in to Salesforce without entering a password. Instead, users scan a QR code with their mobile device or click an email link that they receive when they try to log in. Then they use their fingerprint, face ID, or PIN to verifytheir identity on their mobile device5.
References:
Multi-Factor Authentication
Authentication and Verification Methods